“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	education in Sui and Tang Dynasties Education: Intellectual, Moral and Physical education in the Anti-Japanese War Base Area education in the Democratic People’s Republic of Korea education in the Hundred Days of Reform education in the People's Republic of China education in the period of National Government education in the period of the May 4th Movement and the New Culture Movement education in the period of the Revolution of 1911 and the Beiyang Government education in the Spring and Autumn period and the Warring States period education in the Taiping Heavenly Kingdom education in Wei,Jin and the Southern and Northern Dynasties education in Yugoslavia education justice Education Law of the People's Republic of China education made us what we are education management Education Management Branch of China Education Association Education Management Information Centre，Ministry of Education education management research institution education management system education meta-evaluation education of children with blindness/visual impairments Education of Chinese Opera education of dance

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