| 1. | Precision test gauge , accuracy class 0 . 6 高精度校验表,精度等级0 . 6 |
| 2. | Precision test gauge , accuracy class 0 . 1 高精度校验表,精度等级0 . 1 |
| 3. | O - rings . fluorocarbon rubber 64c8 . precision class a . quality class 3 O形圈.碳氟橡胶.精度等级.质量等级3 |
| 4. | Machine tool components - recommendations for accuracy grades of gears 机床零件.第11部分:齿轮精度等级推荐规范 |
| 5. | O - rings . ethylene - propylene rubber 41b8 . precision class a . performance class 3 O形圈.乙丙橡胶.精度等级.性能等级 |
| 6. | O - rings . butadiene acrylonitrile rubber 20a8 . precision class a . quality class 3 O形圈.丁晴橡胶.精度等级.质量等级 |
| 7. | O - rings . butadiene acrylonitrile rubber 21a7 . precision class a . quality class 3 O形圈.丁晴橡胶.精度等级.质量等级 |
| 8. | Measurement accuracy class 测量精度等级 |
| 9. | O - rings . butadiene acrylonitrile rubber 20b8 . precision class a . performance class 3 O形圈.丁晴橡胶.精度等级.性能等级 |
| 10. | Precision grade and sign 精度等级及标志 |