“anti friction and torque device”的概念、定义、翻译、参考文献-科学参考

单词	anti friction and torque device
释义	anti friction and torque device Encyclopedia 工学定向井工具释 anti friction and torque device防磨减扭装置依靠内套和本体的摩擦旋转代替钻柱接箍和套管内壁的硬摩擦旋转，实现降低钻柱扭矩的器械。
随便看	Liu Fu Liufu Liu Fuling liufu organs Liu Futong Liu Fuying Liu Gaolian Liu Gengling Liu Gengtao Liugong Dao Liugong irrigation ditch Liu Gongquan Liu Guan Liu Guandao Liu Guangdi Liu Guangding Liu Guangning Liu Guangqian Liu Guangshi Liu Guangwen Liu Guangzu Liu Guanyue Liu Guanzhong Liu Guo Liu Guodian

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