“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	homology sequence homology simplex homology spectral sequence homology sphere homology theory homology theory of bundle homology transformation homology transgression homology type homology with compact supports homology with division allowed homolysis homolytic homolytic reaction homomorph homomorphic homomorphic algebraic system homomorphic automata homomorphic encryption homomorphic filtering homomorphic function homomorphic group homomorphic image homomorphic kernel homomorphic mapping

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