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| 工程地质钻探 | |||
| engineering drilling: 47 phrases in 8 subjects |
| Company name | 2 |
| Drilling | 10 |
| Earth sciences | 1 |
| Engineering geology | 2 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Navigation | 1 |
| Oil / petroleum | 6 |
| Technology | 24 |
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