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pre-shearing
eng.geol. 预剪
expl. 预剪切; 预裂爆破沿开挖边界布置密集炮孔的爆破,预先以剪切〈滑移〉破碎岩石。这些炮孔在主爆破之前起爆,是控制爆破方法之一
pre-shearing: 2 phrases in 2 subjects
Animal husbandry1
Explosives and Explosive Ordnance Disposal1