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| 直 裂 缝: 14 phrases in 8 subjects |
| Engineering geology | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 1 |
| Geology | 1 |
| Geophysics | 1 |
| Mining | 1 |
| Oil / petroleum | 4 |
| Technology | 4 |
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