“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	effective enumeration effective equivalent dose effective equivalent dose rate effective error mean square effective field effective field theory effective filter response effective filtration pressure effective flow resistance effective f-number effective focal length effective focal spot effective focus length effective formal deformation Effective Formulae Handed Down for Generations effective frequency range effective fuel consumption effective functional effective genus effective group effective group action effective Hamiltonian effective height effective history effective hydrocarbon source area

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。