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| 硐室爆破; 药室爆破; 坑道爆破采用集中或条形硐室装药，爆破开挖岩土的作业; 室爆破; 药室爆破采用集中或条形硐室装药，爆破开挖岩土的作业 | |||
| 大量爆炸; 大量爆破; 峒室爆破大爆破 | |||
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coyote blasting : 2 phrases in 1 subject |
| Explosives and Explosive Ordnance Disposal | 2 |
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