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| 岩体结构岩体组成单元〈要素〉的形态及其组合特征 | |||
| 岩体构造 | |||
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structure of rock mass : 8 phrases in 3 subjects |
| Engineering geology | 1 |
| Explosives and Explosive Ordnance Disposal | 5 |
| Technology | 2 |
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