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| 地表岩石; 表层岩石; 表层岩 | |||
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surface rock : 31 phrases in 9 subjects |
| Bridge construction | 2 |
| Desert science | 4 |
| Earth sciences | 1 |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 3 |
| Geology | 1 |
| Hydroelectric power stations | 1 |
| Oil / petroleum | 1 |
| Technology | 17 |
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