“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	animal ascariosis animal as disease origin animal behavioral effects of pollutant animal behaviour monitoring animal biochemistry animal biological warfare agents animal bioreactor animal biosafety animal biosafety early warning animal blastula animal body temperature regulation animal breeding animal cardiovascular system animal cavernous hemangioma animal cell bioreactor animal cell culture medium animal cell-mediated immunity animal chlamydiosis animal cleavage animal cloning technology animal common integument system animal communication behavior animal covering epithelium animal crude drug animal cycle

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。