“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	new received pronunciation in the Republic of China New Record of a Drunken Man's Talk New Records of Jade Illumination new regional division of labor new regionalism New Rhenish Newspaper New Rhenish Newspaper: Politico-economic Review New Rhetoric new rhetoric New Rome new rural community New rural cooperative medical system new rural cooperative medical system new rural social endowment insurance news NEWS 1+1 NEWS 30' News 30' News About the News: American Journalism in Peril news agency's short commentary news agent New San Cataldo Cemetry news anchor News and Newspaper Abstracts News and Writing

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。