“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	Sapas Mons sap flow saphenous nerve Sapho Sapir-Wholrf hypothesis Sapir-Whorf hypothesis sapodilla family sapogenin saponification saponification number saponification value saponin saponite sapovirus sappan wood Sapper National Park sapphire sapphire substrate Sappho Sapporo Sapporo Beer Museum sap pressure saprobia saprobic system saprofication

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