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Terms for subject Explosives and Explosive Ordnance Disposal containing underground mine | all forms | in specified order only
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blasting practice in underground coal mines煤矿井下爆破实践
long-hole blasting in underground mine地下矿深孔爆破用深度大于15 long20m,孔径大于90~100mm 的炮孔并用柱状装药所进行的爆破。炮孔直径和深度的大小取决于所采用的凿岩设备、矿体埋藏条件和采矿方法
underground coal mines blasting practice煤矿井下爆破实践
underground mine地下矿山采用地下开采方式开采矿产资源的生产经营单位
vibration effects on underground mines and tunnels对地下矿山和隧道的振动影响