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casing drilling
释义
casing drilling
Encyclopedia
工学
套管钻井
释
casing drilling
套管钻井
用套管代替传统钻杆作为钻柱,将顶驱或转盘上的机械动力和泥浆泵的液压动力传递到钻头,套管柱在钻进的同时起到封隔井眼和地层作用的技术。
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combination of lenses
combination of medical and support
combination of medicinals
combination of medicine and education
Combination of medicine and nursing
combination of points of namesake channels,combination of points of namesake meridians
combination of political and economic systems
combination of prisms
combination of sentences
combination of several tunes
combination of signs
combination of source rock,reservoir and cap rock
combination of sports and education
combination of structure action
combination of the nature and flavour
combination of use and nourishment
combination of vehicles
Combination Principle
combination principle
combination printing
combination printing machine
combination reaction
combination resonance
combination resonator
combination resonator, complex resonator
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