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| 钻孔勘探 | |||
| 土层钻探; 鑽孔勘探 | |||
| 钻测; 钻探; 井下勘探; 钻孔测量; 全测 | |||
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| 钻测; 钻探; 井下勘探; 钻孔测量; 全测; 钻孔勘探 | |||
| borehole surveying: 31 phrases in 7 subjects |
| Drilling | 1 |
| Earth sciences | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Geophysics | 7 |
| Hydroelectric power stations | 2 |
| Oil / petroleum | 2 |
| Technology | 17 |
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