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withdrawal blasting
expl.
排除盲炮爆破
排除因拒爆残留的药包而进行的爆破。《爆破安全规程》GB6722一2014规定:对于浅孔爆破的盲炮,可钻平行孔装药爆破,平行孔距盲炮孔不应小于0.3m;对于深孔爆破的盲炮,可在距盲炮孔口不少于10 倍炮孔直径处另打平行孔装药起爆。此外还有硐室盲炮、水下盲炮和其他盲炮
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