“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	unofficial literacy books unofficial notice Unofficial Record of the Jiangnan Region unofficial single-piece notes unofficial tabloid unoid Uno Jûkichi UNOOSA unordered unordered basis unordered factorization unordered pair unordered partition unordered quadruple unordered set unordered triplet unorganized exhaust emissions unoriented unoriented bordism group unoriented cobordant manifold unoriented cobordism unoriented cobordism class unoriented cobordism group unoriented graph unoriented string

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。