 |
| |||
| Unified Screw Thread; Unified Screw thread; Unified screw thread; Unified Thread; Unified thread | |||
|
filet unifie ABC : 5 短语, 1 学科 |
| 机械工程 | 5 |
|
| |||
| Unified Screw Thread; Unified Screw thread; Unified screw thread; Unified Thread; Unified thread | |||
|
filet unifie ABC : 5 短语, 1 学科 |
| 机械工程 | 5 |