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| 大直径 | |||
| 外径螺纹的 | |||
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| 大管径 (трубы) | |||
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большой диаметр : 16 phrases in 5 subjects |
| Drilling | 1 |
| General | 6 |
| Oil / petroleum | 2 |
| Oil and gas | 1 |
| Technology | 6 |
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