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| |||
| screw union | |||
| close nipple; nipple; nipple joint; npl-nipple; screw nipple; shoulder nipple | |||
| 螺纹接管: 91 phrases in 16 subjects |
| Architecture | 3 |
| Automobiles | 9 |
| Aviation | 5 |
| Bridge construction | 1 |
| Chemistry | 1 |
| Compressors | 2 |
| Drilling | 3 |
| Ecology | 2 |
| Electronics | 1 |
| General | 8 |
| Mechanics | 3 |
| Metallurgy | 3 |
| Nautical | 1 |
| Oil / petroleum | 5 |
| Technology | 43 |
| Wind Energy | 1 |