“防磨减扭装置”的概念、定义、翻译、参考文献-科学参考

单词	防磨减扭装置
释义	防磨减扭装置 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	group buying group calculus group calisthenics group C* and von Neumann algebra group [C* and von Neumann] algebra group carry group center group character group class group climate group closure group closure of a subset group code group coded recording group coded recording, GCR group cohesion in sport group cohesiveness group cohomology group communication group commutator series group companies group company group comparison group completion group completion of a commutative semigroup

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。