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Explosives and Explosive Ordnance Disposal
containing
coupler
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all forms
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cartridge
coupler
药卷连接筒
地震探矿时,为把若干单个药包连成一体以便往孔内装药所采用的接头,通常有紧固连接和穿线连接两种形式,前者采用螺旋接口,用金属卡环将纸管卡住,逐个连接起来。后者在套筒和药包中间穿线就很容易地把它们连成一体
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