“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	carcinoma of cevical esophagus carcinoma of duodenal papilla carcinoma of the penis carcinoma of the prostate carcinoma of the rectum carcinotron Car-Cyg arm card Cardamom Mountains cardamon fruit Cardano Cardano formula card book Card Captor Sakura card catalogue card clothing card dealer carded spinning carded web cardenolide card guide cardia cardiac aglycone cardiac aneurysm cardiac arrest

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