“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	displacement back-analysis method displacement-based solution method displacement behavior of livestock displacement chromatography displacement current displacement damage displacement diagram displacement disdrometer displacement efficiency displacement element displacement field displacement flux displacement form displacement function displacement indicatrix displacement-invariant property displacement law displacement loop displacement mapping displacement measurement displacement measurementquantity displacement measuring instrument displacement method displacement observation displacement of drilling fluid

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