“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	component of the three arrangers of time component of variance component-of-variance model component part component; part component production line component projector component proton magnetometer component reliability components component separation and analysis technology components, instruments and instrumentation components of cancer gene therapy components of long span roof structure component standard component star component system component theorem component tree component vector component velocity componentwise componentwise convergence componentwise multiplication composable arrows

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