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| 方向测量; 井斜测量 | |||
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| 测斜 | |||
| 方位测量 | |||
| 方向测量 | |||
| 井斜测量 | |||
| English thesaurus | |||
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| dir sur | |||
| directional surveying: 22 phrases in 5 subjects |
| Drilling | 6 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Geophysics | 6 |
| Oil / petroleum | 3 |
| Technology | 6 |
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