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| 开挖方法; 挖土方法 | |||
| 开挖方法地下开挖时所采用的方法，因岩石性质、地质条件和巷道断面形状不同,在矿山开挖法和隧道开挖法中都有不同的采矿方法和掘进方法 | |||
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excavation method : 28 phrases in 7 subjects |
| Earth sciences | 1 |
| Engineering geology | 3 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Hydroelectric power stations | 2 |
| Oil / petroleum | 2 |
| Rail transport | 1 |
| Technology | 18 |
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