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地下爆破
| 一般讨论
| 地下爆破 | |
| eng.geol. | underground explosion |
| expl. | underground blasting |
| 一般讨论 | |
| bridg.constr. | general discussion |
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| underground explosion | |||
| subsurface explosion; underground blasting | |||
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| underground blasting | |||
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地下爆破 : 8 phrases in 2 subjects |
| Explosives and Explosive Ordnance Disposal | 7 |
| Technology | 1 |
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