“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	enneagonal enneagonal number enneahedron Ennedi Massif: Natural and Cultural Landscape enneode Enneper Enneper minimal surface Enneper negative curvature surface Enneper surface Enneper-Weierstrass parameterization Ennin Ennin's Diary: The Record of a Pilgrimage to China in Search of the Law Ennio Morricone ennuple ENO Enoch Sontonga eNodeB communication tester E. Noether E. Noether (1882—1935) ENOG enograph enol enolase enolate enol ester

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