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| 向井上; 上向炮孔; 向上钻孔; 升孔 | |||
| 仰孔; 上向钻孔 | |||
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uphole survey : 45 phrases in 5 subjects |
| Drilling | 1 |
| General | 1 |
| Geophysics | 9 |
| Oil / petroleum | 13 |
| Technology | 21 |
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