“不提钻换钻头”的概念、定义、翻译、参考文献-科学参考

单词	不提钻换钻头
释义	不提钻换钻头 Encyclopedia 理学钻进工艺释 replacing bit without lifting drills不提钻换钻头绳索取心钻进过程中，在不起下钻的情况下，将孔底旧钻头单独或随内管总成一起打捞至地面，并将新钻头单独或随内管总成一起下入孔底进行钻进的作业。
随便看	twistor method twistor space twistor theory twist persistence length twist per unit length twist setting twist setting machine twist-spun knot twist theorem twist wave vector twitch Twitching TWM Two Acres of Land two aligned dramatic stages of the Guandi Temple in Nanzhuang Village, Dingxiang County two-anchored stow net fishing two- and four-stream approximation two-armed spiral pattern two arrows space two aspects two aspects of the nature of light two assurances and three guarantees two-banded perch two-band superconductor two-bar ground loom

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。