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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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network forensics
network former
network-forming cation
network for program production and distribution
Network Fraud
network functions
network gambling industry promotion agent
network game
Network Governance
network graph
network graph theory
network hijacking
network homemade column
network homemade drama
network impairment emulator
network induced delay
network induced packet losses
network industrial zone
network information center
network information center, NIC
network information classification
network information resources
network information resources evaluation
network information resources management
network information theory
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