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to phrases
拉底爆破
expl.
bottom ripping
;
bottom ripping shot
;
removal of the toe by blasting
拉底爆破
1. 梯段爆破时,为了改善底部的破碎效果,可在梯段底朝向开挖面水平或微向下〈5。 toe 10。〉钻凿若干拉底爆破。 2. 室爆破时,为了保证药室的爆破效果,必要时可事先把影响爆破效果的山体坡脚开挖掉,处理方法可采用机械开挖、炮孔爆破和药壶爆破。此时的炮孔爆破亦称拉底爆破
expl.
toe blasting
拉 底 爆破
:
2 phrases
in 1 subject
Explosives and Explosive Ordnance Disposal
2
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