“directional circulation drilling”的概念、定义、翻译、参考文献-科学参考

单词	directional circulation drilling
释义	directional circulation drilling Encyclopedia 理学钻进方法释 directional circulation drilling正循环钻进冲洗介质经钻杆内腔流向孔底，将钻头切削破碎下来的钻渣岩屑，经钻杆与孔壁的环状空间携带至地面的钻探循环方式。
随便看	Zhang Fuchang Zhangfuhe Irrigation District Zhang Fumin Zhang Fusui Zhang Gang Zhang Geer Zhang Geng Zhang Geng’s Insights Into Painting Zhanggong Qu Zhang Gongyao Zhang Gou Zhangguangcai Ling Zhang Guangda Zhang Guangdou Zhang Guangsi Zhang Guangxue Zhang Guangyu Zhang Gudong’s Trick Zhang Gui Zhang Guifen Zhang Guifeng Zhang Guobin Zhang Guocheng Zhang Guofan Zhang Guoli

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