“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	planning of South Manchuria Railway Company attached land planning of the 1999 World Horticultural Exposition Planning of Tianjin Economic and Technological Development Area planning of Tokyo planning of transportation planning of treat and disposal facilities for municipal solid wastes planning of urban environmental protection planning of urban flood control planning of urban sanitation facilities planning of warsaw Planning of Washington D.C. planning of water intake hubs in ancient China planning of Yunnan Dian Zhong New Area planning of Zhengzhou planning on comprehensive disaster resistance and prevention planning outline of scenic regions planning pattern planning permit planning prediction model planning process planning process of scenic and historic area planning,programming,budgeting and execution system planning river regulation guidelines system planning road alignment survey planning strategy

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