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| 岩石初爆; 岩石移动错位爆破 | |||
| 主爆破; 一次爆破为持续生产而施行的主要爆破,目的是利于后续的运输和破碎。它是与二次爆破相对而言的 | |||
| 原体爆破; 一次爆破; 初始爆破 | |||
| primary blasting: 4 phrases in 2 subjects |
| Explosives and Explosive Ordnance Disposal | 1 |
| Technology | 3 |
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