“replacing bit without lifting drills”的概念、定义、翻译、参考文献-科学参考

单词	replacing bit without lifting drills
释义	replacing bit without lifting drills 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	missile weapon life prolongation and upgade missile weapon maintainability missile weapon reliability missile weapon retirement and disposal missile weapon safety missile weapon supportability missile weapon support concept missile weapon support resources missile weapon support system missile weapon system missile weapon testability missing asteroid missing at random missing baryon problem Missing Baryons missing carbon sink missing comet missing completely at random missing data missing data imputation missing data in clinical trials missing data in epidemiologic studies missing data mechanism Missing Deceased Sister missing dollar paradox

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。