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坑道爆破技术
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坑道爆破技术
Encyclopedia
理学
坑探工程
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rock blasting in tunnel
坑道爆破技术
在坑道内,将凿岩机凿出的钻眼(炮孔)里装填炸药,利用其爆炸产生的作用来破碎岩石,实现掘进的能量。
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relative frequence
relative frequency
relative Frobenius morphism
relative functor
relative geometry
relative gradient
relative gravity survey
relative group
relative growth
relative growth rate
relative homeomorphism
relative homological algebra
relative homology
relative homology group
relative homology theory
relative homotopy
relative homotopy group
relative homotopy set
relative humidity
relative humidity in China
relative ideal series
relative income hypothesis
relative index of refraction
relative injective module
relative integral base
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