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| |||
| 管螺纹接套 | |||
| 管子螺纹接头 | |||
| 管子接头; 管子螺纹接头 | |||
| 短节 | |||
| 短管 | |||
| 端接管 | |||
| 管子螺纹接管; 管子接头; 管接嘴 | |||
| pipe nipple: 9 phrases in 6 subjects |
| Aviation | 1 |
| General | 1 |
| Mechanics | 1 |
| Oil / petroleum | 1 |
| Rail transport | 1 |
| Technology | 4 |
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