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向上爆破当被爆岩石的上部有自由面时,在炮孔中装填炸药,使爆下的岩石向上抛撒的爆破,俗称抬炮
expl. uplift blasting
向上爆破
: 4 phrases in 2 subjects
Explosives and Explosive Ordnance Disposal3
Technology1