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矿山钻井法
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矿山钻井法
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特殊凿井法
释
shaft boring
矿山钻井法
用钻井机钻凿竖井井筒的特殊凿井法。在地面采用大直径钻井机向地层钻进竖井,以洗井液护壁并排渣,悬浮下沉预制井壁作为永久支护,实现人员不下井的机械化凿井方法。
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continuously variable transmission
continuously welded rail(cwr)track
continuous mapping
continuous mapping theorem
continuous martingale
continuous matrix
continuous measure
continuous media
continuous medium
continuous medium hypothesis
continuous medium hypothesis in porous flow
continuous medium mechanics
continuous method
continuous miner
continuous mining
continuous mixing device
continuous monitoring equipment for radioactivity in liquid effluent
continuous monitoring of environmental quality
continuous monitoring of flue gas emissions
continuous motion rig
continuous motor skill
continuous norm
continuous nucleation
continuous numbering
continuous on one side
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