“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	Zhong Huilan zhongji Zhongjiang Xian Zhongjieshan Liedao Zhong Jinghui Zhong Jingwen Zhong Jingwen Collection of Folk Literature Essays Zhong Jingzhi Zhong Jue Zhong Jun Zhongkeda Zhongkeyuan Zhong Kui zhongkui Zhongkui’s Night Tour on the Lantern Festival Zhong Kunlun Shan Nature Reserve Zhong Li Zhonglian Film News Zhongliang Shan zhongliao Zhonglie Memorial Hall in Nanyue Zhong Lihe Zhong Lin ZhongLin Wang Zhong Liyi

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