“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	Virtue Ethics: A Pluralistic View virtue is knowledge virtue is unteachable virtue paradigm virtue reliabilism virtue responsibilism Virtues Virtues and Vices and Other Essays in Moral Philosophy virtuous star virucide virulence virulent phage virulent strain Virunga National Park virus virus analysis virus attack virus-based pesticide virus budding virus diseases of marine crustaceans viruses of plants virus-free nursery tree virus-free plants virus-free seedling virus hepatitis examination

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