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shaft drilling
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shaft drilling
Encyclopedia
工学
竖井施工方案
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shaft drilling
竖井凿岩
竖井施工中,在井筒围岩上钻凿炮孔的作业。是竖井掘进中的一项主要工序,约占整个掘进循环时间的20%~30%。
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intercalary year
intercalated cell
intercalated disk
intercalated duct
intercalated element
intercalated graphite
intercalated month
intercalated pinnule
intercalated weak seam
intercalation
intercalation chemistry
intercalation compound
intercalation electrode
intercalation polymerization
intercalation reaction
intercalibrate
intercalibration
intercardinal
INTERCARGO
intercarpal joint
intercarrier
intercartilaginous part
inter cataloging
inter cell
intercellular bridge
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