“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	steepest ascent steepest-ascent method steepest descent steepest-descent algorithm steepest descent method steepest-descent method steepest descents steepest line steep growth steeplechase steepness steep pulse steep ramp steep slope steep slope mining steep spectrum steep-spectrum quasar steep-spectrum radio quasar steep-spectrum radio source steep-spectrum source steep wave configuration steep wave front steerability steerable antenna steerable radio telescope

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。