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| 岩石爆破 | |||
| 岩石爆破利用炸药破碎岩石的技术 | |||
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rock blasting : 49 phrases in 6 subjects |
| Engineering geology | 2 |
| Explosives and Explosive Ordnance Disposal | 40 |
| Hydroelectric power stations | 1 |
| Nautical | 1 |
| Rail transport | 2 |
| Technology | 3 |
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