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rockplug chamber blasting
expl.
岩塞硐室爆破
硐室爆破是在岩塞中间开挖药室,放置集中药包或延长药包进行爆破。国外的休德巴斯及我国的丰满、清河、镜泊湖工程均采用了这种爆破方式
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