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安全员
在煤矿和金属矿山中,为确保爆破开挖、采掘作业的安全,设有安全员
。安全导火索
用织物和防水材料包覆的黑火药线,用于引爆普通雷管。安全导火线的燃烧速率在确定限度之内,而且不会爆炸。其燃烧不会横向自身传播或传至其他类似导火索
expl.
safety foreman
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