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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 husbandry
1
Explosives and Explosive Ordnance Disposal
1
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