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| заход резьбы; заход; резьбовой наконечник | |||
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| заход резьбы | |||
| 螺纹头: 115 phrases in 10 subjects |
| Construction | 1 |
| Drilling | 3 |
| Electronics | 3 |
| General | 36 |
| Machine components | 1 |
| Mechanic engineering | 2 |
| Oil / petroleum | 2 |
| Oil and gas technology | 2 |
| Oil processing plants | 5 |
| Technology | 60 |