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Terms for subject Explosives and Explosive Ordnance Disposal containing 开槽 | all forms | in specified order only
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全面回采炮孔组开槽及炮泥充填breast stope round cutting and filling
分段下部掏槽崩落开采sublevel undercut caving
应力消除开槽stress relief slot
开槽炮孔排抵抗线slot rows burden
开槽钻孔模式slot drill pattern
预开V形槽用机械工具、线性聚能药包或喷水枪进行开槽的作业。沿炮孔径向两侧开槽,目的在于降低破碎所需的炮孔压力。因此,形成相邻炮孔径向裂隙所需的炮孔压力下降,从而减轻因爆破振动而对周围岩石产生的破坏prenotching