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坑道爆破技术
释义
坑道爆破技术
Encyclopedia
理学
坑探工程
释
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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drought disaster
drought disaster in China
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drought enduring plant
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Droughtmaster
drought monitoring
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drought relief planning of China
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drought-resistant variety of herbaceous plant
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drowning
Drowning My Sorrows In Wine
drowning prevention
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