“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	Sikasso Sikelianos, Angelos Sikhote-Alin meteorite Sikhote-Alin orogenic belt Sikhote Mountains Sikhs Sikkim Pradesh Sikong Shu Sikong Tu Sikorski Sikorsky crater Siku Dictionary Si Ku Quan Shu (Complete Library of the Four Treasuries) SIL silabenzene Silacharuk Phokunlangmkamhaeng silage silage additives silage bagging machine silage corn silage cutter silage machinery silage microorganism silage reclaimer silage shredder

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