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硐室爆破填塞设计
填塞设计包括填塞长度和填塞方法的确定。填塞工作是硐室爆破中的一项极其繁重的工作,因此在设计填塞长度时,既要保证爆破的安全与质量,又要减少填塞工作量
expl.
tamping design of chamber blasting
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