“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	poly(m-phenylene isophthalamide) fiber polymyarian type polymyositis and dermatomyositis polymyositis and dermatomyositis associated with malignancy polymyxin poly (N-acetyl glucosamine) polynary polynary alloy Polynesia Polynesian Polynesian Aboriginal Art Polynesian Art Polynesians polynier ferric sulfate polynilpotent polynilpotent group polynilpotent length polynilpotent series poly(N-isopropylacrylamide) polynome polynomial polynomial acceleration polynomial acceleration method polynomial algebra polynomial allocation

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。