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shaft drilling
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shaft drilling
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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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polar molecule
polar moment
polar moment of inertia
polar monomer
polar motion
Polar Motion Analysis by Radio Interferometric Surveying
polar mounting
polar net
polar night
polar normal
polar nucleus
polar oblateness
polar observation
polar of a gauge function
polar of aircraft
polar of a nonnegative convex function
polar of a point
polar of a pole
polar of a set
polar of a subset
polarogram
polarograph
polarographic analysis
polarographic analysis method
polarographic catalytic wave
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