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竖井凿岩
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竖井凿岩
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工学
竖井施工方案
释
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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cross aldol condensation
cross analysis
cross antenna
cross-axis mounting
crossbar array
crossbar array memory
crossbar network
cross basin water control planning and hub of Pan Jixun
cross beam technique
crossbite
cross bombardment
cross-border environmental conflicts control
cross-border hunting
cross border integration
cross-border listing and transactions of securities
cross-border planning
cross-border reverse takeover models
cross-border river
cross borehole electrical resistivity tomography
cross-borehole resistivity tomography
cross borehole seismic wave tomography
cross-boundary governance
crossbow shooting
crossbred abalone Haliotis discus hannai Ino“Dalian-I”
cross breeding
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更新时间:2026/8/12 5:08:57