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技术要求大全(Technical requirements)

2017-09-15 25页 doc 77KB 135阅读

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技术要求大全(Technical requirements)技术要求大全(Technical requirements) 技术要求大全(Technical requirements) technical requirement The 1. part decaling. 2. parts machined surface defects, no scratch, scratch and other damage parts of the surface. 3. remove all burrs. 4. after quenching and tempering, HRC50...
技术要求大全(Technical requirements)
技术要求大全(Technical requirements) 技术要求大全(Technical requirements) technical requirement The 1. part decaling. 2. parts machined surface defects, no scratch, scratch and other damage parts of the surface. 3. remove all burrs. 4. after quenching and tempering, HRC50 ~ 55. The 5. part is 350 to 370 DEG C high frequency quenching, tempering, HRC40 ~ 45. 6. carburizing depth 0.3mm. 7. high temperature aging treatment. 8. the linear size tolerances shall comply with GB/T 1804-M requirements. The 1. part decaling. 2. parts machined surface defects, no scratch, scratch and other damage parts of the surface. 3. remove all burrs. 4. sharp blunt down. 5. enter the assembly of parts and components (including outsourcing and outsourcing), it must have testing departments of the certificate can be assembled. 6. parts before assembly must be cleaned up, there is no burr, flash, scale, rust, oil, chips, colorants and dust etc.. Mainly with the size of 7. before the assembly of parts and components, especially fit the size and the relevant review of interference. 8. in the assembly process of the parts are not allowed to knock, touch, scratch and rust. 9. did not note the stamping shape and position tolerances shall be in accordance with the requirements of GB/T 13916-2002. 10. note stamping tolerances shall comply with the requirements of 13915-1992 GB/T angle. 8.1 did not note the stamping shape and position tolerances shall be in accordance with the requirements of GB/T 13916-2002. 8.2 note stamping tolerances shall comply with the requirements of 13915-1992 GB/T angle. 8.3 auto parts cold stamping processing tolerances limit deviation should be consistent with the requirements of 268-1999 QC/T. 8.4 tolerance does not note by GB/T 15055-2007 "stamping tolerances limit deviation) M implementation. 8.5 tolerances limit deviation according to the QC/T 268-1999 "automobile cold stamping parts" execution. 9. did not note the length size allowable deviation + 0.5mm. 10. casting tolerances are in with the basic configuration blank casting size. 11. unspecified radius R5. 12. note chamfer was 2 * 45 degrees. 13. sharp blunt down. 14. the seals front must be soaked with oil. Allow the use of oil heating and hot charging rolling bearing assembly 15., oil temperature not exceeding 100 degrees celsius. The 20. gear assembly, tooth surface contact and side clearance shall comply with GB10095 and GB11365. Allow the use of packing or sealant 21. assembly hydraulic system, but should be prevented from entering the system. 22. enter the assembly of parts and components (including outsourcing and outsourcing), it must have testing departments of the certificate can be assembled. 23. parts before assembly must be cleaned up, there is no burr, flash, scale, rust, oil, chips, colorants and dust etc.. Mainly with the size of 24. before the assembly of parts and components, especially fit the size and the relevant review of interference. 25. in the assembly process of the parts are not allowed to knock, touch, scratch and rust. 26. screw, bolt and nut fastening, no blow or use inappropriate screwdrivers and wrenches. After fastening screws, nuts and bolts, screw groove head must not be damaged. Fasteners 27. specified tightening torque requirements, must use the torque wrench, and according to the specified tightening torque fastening. Twenty-eight A screw with the same parts (bolts) when tightening the screws (bolts) to tighten the cross, symmetry, and uniform gradually. 29. taper pin assembly should be painted with holes should be examined, the contact rate should not be less than with the length 60%, and should be evenly distributed. 30. flat key and the key groove on the shaft two side should be uniform contact with the surface shall not have clearance. The number of tooth surface 31. spline assembly contact at the same time not less than 2/3, the contact rate in key tooth length and height direction shall not be less than 50%. Flat key 32. slide fit (or spline) assembly, parts move freely, without elastic inequality. 33. after bonding should remove excess adhesive outflow. No 34. semicircular hole bearing outer ring and open bearing seat and a bearing cover is stuck phenomenon. The semicircle hole 35. bearing outer ring and open bearing seat and a bearing cover should be good contact with paint inspection, and the bearing is in the range of 120 DEG, symmetrical to the center line and the bearing cover at 90 DEG symmetrical to the center line of the internal uniform contact. In the range check with the feeler, 0.03mm or 1/3 into the outer ring width gauge. 36. bearing outer ring after assembly and locating bearing cover end contacts should be uniform. 37. rolling bearings installed after the hand rotation should be flexible and steady. 38. with bearing surface to tightly and, with the 0.05mm ruler. 39. with the positioning pin fixed bearing, should be to ensure tile mouth surface and the end surface and the bearing hole opening and closing and end package flat hinge, distribution under the state of qi. Enter the pin after not loose. The bearing body and the bearing seat 40. spherical bearing contact should be uniform, check with coloring method, the contact should not be less than 70%. Don't use surface yellow lining 41. alloy bearing, in the contact angle are not allowed within from the nuclear phenomena, in the contact angle away from the core area of not more than 10% of the total area of non contact area. 42. gear (worm) reference face and the shoulder (or positioning sleeve end) should be attached with the 0.05mm ruler. And shall ensure the verticality of gear axis and the requirements of the base face. Combined with the 43. gear box and the cover of the contact surface should be good. The 44. residue before assembling strict inspection and remove the burrs, sharp parts processing and foreign bodies. Ensure not to be scratched seal loading. 45. on the casting surface is not allowed to have cold laps and cracks, shrinkage and penetrating defect and serious defects defects (such as mechanical injury, undercasting etc.). 46. castings shall be clean, there is no burr, flash, non processing that riser on the clean flush with the casting surface. 47. casting processing on the surface of the metal and non marking shall be legible, position and font should comply with the requirements of drawings. 48. casting non machined surface roughness, sand casting R, not more than 50 mu m. 49. casting riser should be cleared, Flying Spur etc.. Non riser processing on the surface of the residues to shovel, polishing, reach the surface quality requirements. 50. on the casting sand, sand core and core bone should be cleaned. The 51. part, the casting tilt tolerance zone along the inclined plane symmetrical configuration. 52. on the casting sand, sand core, core bone, fleshy, sticky sand should be grinding smooth, clean. 53. of the wrong type, boss cast bias should be amended, to ensure a smooth transition, appearance quality. 54. fold casting of non machined surface, The depth is less than 2mm, the distance should be greater than 100mm. The non processing surface 55. machine casting products are to be shot peening or roller processing, achieve cleanliness requirements of 1/2 class Sa2. 56. casting must be water toughening treatment. 57. the casting surface should be smooth, gate, burr, sticky sand should be cleaned. 58. casting is not allowed to exist beneath the cold septum, cracks, holes and other casting defects. 59. all steel parts surface coating prior to painting must be rust, oxide skin, grease, dirt, dust, and dirt removing salt etc.. 60. preparation, first with organic solvent, alkali, emulsifier, steam to remove oil and dirt on the surface of steel products. 61. by shot peening or manual derusting surface to be coated with the primer interval of not more than 6h. The mutual contact surface of 62. riveting pieces, must be coated with a thickness of 30 to 40 mu m antirust paint before connecting. Application of putty paint, overlapping edges or adhesive sealing. The primer machining or welding damage, re coating. 63. all the tubes should be removed before the assembly tube end flash, burr and chamfer. Using compressed air or other methods to clear the pipe inner wall attached to the debris and rust. 64. before the assembly, all steel (including preformed pipe) to degreasing, pickling, neutralizing, washing and anti rust treatment. 65. of the assembly, pipe clamp, bearings, flange joints and other fixed thread connecting parts should be tightened to prevent loosening. 66. fabricated pipe welding parts have to withstand test. 67. replace piping or transit, must be separated with tape or plastic pipe and pipe plug sealing, prevent any debris into, and a label. 68. welding defects must be completely clear, smooth surface should be smooth groove repair, there shall be no sharp existence. 69. according to the situation of steel casting defects of welding defects can be used to shovel digging, grinding, removing carbon arc gouging, mechanical processing method. 70. the welding zone and groove around the 20mm within the sticky sand, oil, water, rust and other dirt must be thoroughly cleaned. 71. in the process of welding, casting the preheating zone temperature not lower than 350 DEG C. 72. where conditions permit, as far as possible in the horizontal position welding. 73. welding, welding should not be too large horizontal swing. 74. the surface of cast steel weld, the amount of overlap between the weld bead width not less than 1/3. Each of the 75. ingot nozzle, sufficient riser resection volume, a deflection assuring forging without shrinkage and serious. 76. of the forging press forgings shall have sufficient capacity on forging, to ensure full forging forgings. 77. are not allowed to use the appearance of defects of forging cracks, visible folding and other effects. Local defects can be removed, but the depth shall not exceed 75% of machining allowance, forging non defects on the machined surface should be clean and smooth transition. 78. forging does not allow the existence of white spots, internal cracks and residual shrinkage. 81. finishing parts shall not be placed directly on the ground support, should take the necessary protective measures. The machined surface is not allowed to rust and decay affect performance, service life or the appearance of the bump, scratches and other defects. 82. of the surface finishing rolling, rolling is not allowed after peeling phenomenon. The final 83. parts after heat treatment process, There should be no surface oxide skin. After finishing the surface, the tooth surface should not have annealing 84. processing thread surface is not allowed to have black, bump, disorderly buckle and burr. 85, the blue color phenomenon. Technical requirements (Technical Requirements): The 1. part descaling, surface polishing Ra. Part shoule be removed oxide scale and polished from the outside surface. 2. parts machined surface defects, no scratch, scratch and other damage parts of the surface. No scratches, brush-burn or relative visible defects when process the outside surface. 3. remove all burrs. To remove all burrs. 4. did not note the stamping shape and position tolerances shall be in accordance with the requirements of 13916-2002 GB/T. Unspecified tollerances of stamping parts shape and spaces must be in line with the Requirements of GB/T 13916-2002. 5. sharp blunt down. The sharp edges or angles must be chamferred or removed. 6. parts before assembly must be cleaned up, there is no burr, flash, oxide skin, Rust, chips, oil, stain and dust etc.. All parts must be cleaned or cleared all like: burrs, flash fins, scale, corrosion, Oil, dust stain, and cuttings, etc. before assembly. Mainly with the size of 7. before the assembly of parts and components, especially fit the size and phase Close precision review. Must re-check all critcal fit dimmensions specially the interferencefit dimmensions Of the spare parts before assembly. 8. in the assembly process of the parts are not allowed to knock, touch, scratch and rust. To be care to avoid any chipping or scratching when assembly. Technical requirements: 1, the ear of welding spot welding, welding firm, no weld, clean welding slag after welding; welding firm, welding strength is greater than 80N. 2, test specification: The corrosion and chemical test: Salt fog test, according to the GB/T 10125 corrosion tests in artificial atmospheres salt spray test performed 240 hours, no bubbles, no corrosion. Water resistance according to QC/T484 "automobile coating", invaded in 50 DEG C water, 3 cycles without change. Gasoline resistance according to GB/T1734 "paint gasoline resistance determination" performs invasion in RQ-70 gasoline in 24 hours without swelling and shedding. Oil oily: 150 degrees in the invasion grade 9000 5W-30 oil, 240 hours, no swelling, paint off. 6, tolerance does not note in accordance with GB/T1804-c "general tolerances Tolerances for linear and angular dimensions of tolerance". 7, put oil screw tightening torque of 40 + 2Nm. 8, oil sump assembly air tightness test: Oil drain plug tightening torque is 40Nm, air 100KPa, keep the pressure for 30 seconds, in addition to the flange plane, no leakage. 2, did not note the stamping shape and position tolerances shall be in accordance with the requirements of GB/T 13916-2002. 3, did not note the stamping angle tolerance should meet GB/T 13915-1992 requirements. 4, automobile cold stamping parts processing limit errors without tolerance indication should be consistent with the requirements of QC/T 268-1999. 5, tolerance does not note by GB/T 15055-2007 "stamping tolerances limit deviation) M implementation. 6, tolerances limit deviation according to the QC/T 268-1999 "automobile cold stamping parts" execution. A stamping 1. sharp edge deburring, stamping incision roughness 6.3. 2. stamping surface oxidation treatment: H.Y. (or galvanized surface blunt color.Zn8.DC.). 3. tolerances limit deviation according to the GB/T 1804-92 m. Two, casting 1. castings are prohibited blowhole, slag, cracks and other defects. 2. does not indicate foundry gradient is 1~2.5 degrees. 3. casting tolerances according to GB6414-86 CT6. 4. unspecified cast fillet R1~R2.5. 5. tolerances limit deviation according to the GB/T 1804-92 m. 6. note tolerances according to GB/T1184-96 H. 7. deburring, chamfering unspecified 0.5x45 degrees Three, forging 1. the forging radius is R1~R2. 2. note inclination of 1~1.5 degrees of forging, forging tolerances for the IT15 level. 3. forging organization should be compact, there shall be no defects of folding, cracks, and flash. 4. sharp edges burrs at right angles blunt down. 5. tolerances limit deviation according to the GB/T 1804-92 m. 6. note tolerances according to GB/T1184-96 H. Four, piston 1. tolerances limit deviation according to the GB/T 1804-92 m. 2. note tolerances according to GB/T1184-96 H. 3. deburring, chamfering did not note 0.5x45 degrees. 4. surface phosphating treatment. Five, rubber parts 1. parts of the surface should be smooth. (the surface roughness should be more than Ra0.4) and don't allow bubbles. Impurities defects such as punch. The 2. clamping seam does not allow dislocation, convex mold flash level thickness shall not be greater than 0.02mm. 3. shore A hardness 65%%P5. 4. to the net flash. Six, plastic parts 1. before forming materials should be pre heating and drying. 2. after forming parts should be light without distortion phenomenon. 3. unspecified round R0.5. The 4. outer surface should be smooth and the roughness is less than Ra0.4. and not a scratch, scratch and other defects. 5. tolerance does not note by GB/T 1804-92 m. Seven, spring 1.: turning left. 2. of the total number of laps: no=12 3. ring number: no=10 4. wire hardness: HRC42~48. 5. surface treatment: H.Y. (commonly known as black) 6. single ended and close down. The basic technical requirements of summary, for reference (the specific value, the specific terms by the designer according to the actual situation) 1. general technical requirements: L parts to remove oxide. The surface l machining, defects no scratch, scratch and other damage parts of the surface. L remove all burrs. 2. heat treatment: L after quenching and tempering, HRC50 ~ 55. L parts 350 to 370 DEG C high frequency quenching, tempering, HRC40 ~ 45. L carburizing depth 0.3mm. L high temperature aging treatment. 3. tolerances: L did not note the form tolerances shall comply with the requirements of GB1184-80. L did not note the length size allowable deviation + 0.5mm. L casting tolerances are in with the basic configuration blank casting size. The 4. part edges: L did not note the radius of R5. L did not note the chamfer is 2 * 45 degrees. L acute blunt down. 5. assembly requirements: L the seals front must be soaked with oil. Allow the use of oil heating and hot charging rolling bearing assembly L, oil temperature not exceeding 100 degrees celsius. L gear box assembly should load test according to the provisions of the design and process. Without any shock, noise test, temperature rise and leakage shall not exceed the relevant standards. L gear assembly, tooth surface contact and side clearance shall comply with GB10095 and GB11365. Allow the use of the packing or seal of hydraulic system of L assembly, but should be prevented from entering the system. L enter the assembly of parts and components (including outsourcing and outsourcing), it must have testing departments of the certificate can be assembled. L parts before assembly must be cleaned up, there is no burr, flash, scale, rust, oil, chips, colorants and dust etc.. Mainly with the size of L before the assembly of parts and components, especially fit the size and the relevant review of interference. L in the assembly process of the parts are not allowed to knock, touch, scratch and rust. L screw, bolt and nut fastening, no blow or use inappropriate screwdrivers and wrenches. After fastening screws, nuts and bolts, screw groove head must not be damaged. Fasteners l specified tightening torque requirements, must use the torque wrench, and according to the specified tightening torque fastening. A screw with L same parts (bolts) when tightening the screws (bolts) to tighten the cross, symmetry, and uniform gradually. L cone pin assembly should be painted with holes should be examined, the contact rate should not be less than with the length 60%, and should be evenly distributed. L flat key and the key groove on the shaft two side should be uniform contact with the surface shall not have clearance. The number of L spline tooth surface contact assembly at the same time not less than 2/3, the contact rate in key tooth length and height direction shall not be less than 50%. Flat key sliding fit (or spline) assembly, parts move freely, without elastic inequality. L adhesive should remove excess adhesive outflow. No l bearing outer ring and a semicircular hole type bearing seat and a bearing cover is stuck phenomenon. The semicircle hole l bearing outer ring and open bearing seat and a bearing cover should be good contact with paint inspection, and the bearing is in the range of 120 DEG, symmetrical to the center line and the bearing cover at 90 DEG symmetrical to the center line of the internal uniform contact. In the range check with the feeler, 0.03mm or 1/3 into the outer ring width gauge. L bearing outer ring after assembly and positioning of the bearing cover face should be uniform contact. L rolling bearings installed after the hand rotation should be flexible and steady. L combination of bearing surface to tightly and, with the 0.05mm check the feeler. L with the positioning pin fixed bearing, should be to ensure tile mouth surface and the end surface and the bearing hole opening and closing and end package flat hinge, distribution under the state of qi. Enter the pin after not loose. The bearing body and the bearing seat of L spherical bearing contact should be uniform, check with coloring method, the contact should not be less than 70%. Don't use the surface yellow lining l alloy bearing, the contact angle in the provisions are not allowed within from the nuclear phenomena, in the contact angle away from the core area of not more than 10% of the total area of non contact area. L gear (worm) reference face and the shoulder (or positioning sleeve end) should be attached with the 0.05mm ruler. And shall ensure the verticality of gear axis and the requirements of the base face. Combined with the L gear box and the cover surface should be good contact. The residual l assembly before strict inspection and remove the burrs, sharp parts processing and foreign bodies. Ensure not to be scratched seal loading. 6. casting requirements: L on the casting surface is not allowed to have cold laps and cracks, shrinkage and penetrating defect and serious defects defects (such as mechanical injury, undercasting etc.). L castings should be clean, there is no burr, flash, non processing that riser on the clean flush with the casting surface. L casting non processing surface of the type and logo should be legible, position and font should comply with the requirements of drawings. L casting non processing surface roughness, sand casting R, not more than 50 mu m. L casting riser should be cleared, Flying Spur etc.. Non riser processing on the surface of the residues to shovel, polishing, reach the surface quality requirements. L on the casting sand, sand core and core bone should be cleaned. L tilt position, casting size tolerance zone along the inclined plane symmetrical configuration. L on the casting sand, sand core, core bone, fleshy, sticky sand should be grinding smooth, clean. L, the boss of the wrong type cast bias should be amended, to ensure a smooth transition, appearance quality. L casting non machined surface folds, the depth is less than 2mm, the distance should be greater than 100mm. The non processing surface l machine casting products are required shot peening or roller processing, achieve cleanliness requirements of 1/2 class Sa2. The casting must be water toughening treatment. L casting surface should be flat, gate, burr, sticky sand should be cleaned. L casting is not allowed to exist beneath the cold septum, cracks, holes and other casting defects. 7. coating requirements: L all steel parts surface coating prior to painting must be rust, oxide skin, grease, dirt, dust, and dirt removing salt etc.. L rust before, first with organic solvent, alkali, emulsifier, steam to remove oil and dirt on the surface of steel products. L by shot peening or manual derusting surface to be coated with the primer interval of not more than 6h. Contact surface l riveting pieces, must be coated with a thickness of 30 ~ 40 m anti rust paint before connecting. Application of putty paint, overlapping edges or adhesive sealing. The primer machining or welding damage, re coating. 8. piping requirements: L all the tubes should be removed before the assembly tube end flash, burr and chamfer. Using compressed air or other methods to clear the pipe inner wall attached to the debris and rust. L before the assembly, all steel (including preformed pipe) to degreasing, pickling, neutralizing, washing and anti rust treatment. L assembly, the pipe clamp, bearings, flange joints and other fixed thread connecting parts should be tightened to prevent loosening. L fabricated pipe welding parts to withstand test. L piping replacement or transit, must be separated with tape or plastic pipe and pipe plug sealing, prevent any debris into, and a label. 9. welding requirements: L welding defects must be completely clear, smooth surface should be smooth groove repair, there shall be no sharp existence. L according to the situation of steel casting defects, welding defects can be used for shoveling and grinding, remove carbon arc gouging, mechanical processing method. L welding zone and groove around the 20mm within the sticky sand, oil, water, rust and other dirt must be thoroughly cleaned. L in the whole process of welding in steel castings, the preheating zone temperature not lower than 350 DEG C. L where conditions permit, as far as possible in the horizontal position welding. L welding, welding rod should not be too large horizontal swing. L the surface of cast steel weld, the amount of overlap between the weld bead width not less than 1/3. 10. forging requirements: Each l ingot riser should have sufficient nozzle, the resection volume, in order to guarantee the forging deflection without shrinkage and serious. L in forging forging machine has enough capacity on forging, to ensure full forging forgings. L does not allow the appearance defects of forging cracks, visible folding and other effects. Local defects can be removed, but the depth shall not exceed 75% of machining allowance, forging non defects on the machined surface should be clean and smooth transition. Forging does not allow the existence of white spots, internal cracks and residual shrinkage. 11. machining requirements: L parts should be according to the process of inspection, in process inspection, shall be transferred to the next step. L processed parts are not allowed to have burrs. L finishing parts shall not be placed directly on the ground support, should take the necessary protective measures. The machined surface is not allowed to rust and decay affect performance, service life or the appearance of the bump, scratches and other defects. The surface of L rolling finishing, after rolling without peeling phenomenon. L final heat treatment process after parts, surface should not be oxidized. After finishing the surface, the tooth surface should not have annealing, bluing and discoloration of the phenomenon. Thread surface l processing is not allowed to have black, bump, disorderly buckle and burr. First fill the S, behind the blank, the drawing is the trial stage, this time the general prototype. Second filled with A, this is a successful trial plus, said this product can undertake small batch production. Third filled with B, the product can be produced in large quantities. Fourth useless, I have never seen the learned. 1. standard. In accordance with the provisions of GB6543 "and" GB6544 "corrugated box corrugated board", qualified by cardboard and cardboard carton factory in the box marked marker inspection. 2. materials. The corrugated cardboard corrugated paper quantitative not less than 112G / m2; quantitative tissue box of not less than 200 g / m2; made of corrugated cardboard surface should be smooth, non convex and concave phenomenon. 3. logo. Corrugated cardboard printing should comply with the provisions of the standard color, logo should be clear, "no hook" and so on are obviously. 4. carton performance. Structure of corrugated box should be able to achieve the normal operation in high speed packaging production line requirements and successfully erected. More than one some packing plants use packaging supplies, so the carton can completely interchangeable, ensure different manufacturers of carton packaging plant replacement, without causing downtime phenomenon. 5. corrugated cartons must be folded square, lap width is uniform over the entire length, the error of not more than 3 mm. We should use the adhesive joint type carton, adhesive joint placed in 72h - 20 C, 100% fiber must tear off; if the nail joint type carton, both inclined nails or cross pin. Should be neat, uniform distance; double nail distance not greater than 75mm, the single nail distance not greater than 55mm, the top of the tail distance line indentation is not greater than 20mm, box nails must be completely nail on the joint. 6. and the indentation slot. The indentation should have enough depth, the wing into a straight line to open on the specified position. The incision to be smooth, without burr and adhesion debris, fin slot must be inside the cover sheet indentation line 5mm; indentation and the seam must adapt, tolerance is 3mm. 7. material hygiene requirements. Corrugated material should be made in the modernization of health conditions, and should be properly protected during transport to prevent dirt, insects, chemicals or other substances pollution. 8. size. Corrugated carton size is within the allowable deviation is + 3mm. 9. and the corrugated box. Unless otherwise specified, all the cartons should be regular slotted container (RSC); corrugated box side should be vertical downward direction. 10. packaging and labeling. Corrugated carton box blank according to a certain number of bundled together, and then loaded on a pallet or packing unit. Each tray packaging or packaging unit packaging should be marked manufacturers, each unit in number, size, material specifications and packaging articles and code name, batch number, manufacturing date. 11. storage conditions and handling. Corrugated boxes should be stored in a dry clean place suitable humidity, stacking should not be too high, in order to avoid compression deformation. Don't open the package when not in use. A storage warehouse in order to take the first into the need to get by.
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