“casing drilling”的概念、定义、翻译、参考文献-科学参考

单词	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。
随便看	power congruence power connection system of hydropower station Power Construction Corporation of China power consumption power consumption, power dissipation power control power controller power control unit power conversion power conversion efficiency power conversion system power convertor power counting power curve power-delay product power density power [density] spectrum power density spectrum power-difference prime power dilation power dispatching office building power dispatching of urban rail transit power dissipation power distribution network power dividers

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