“orientation sub”的概念、定义、翻译、参考文献-科学参考

单词	orientation sub
释义	orientation sub Encyclopedia 工学定向井工具释 orientation sub钻井定向接头为陀螺测斜仪、随钻测斜仪等测量仪器提供固定方向坐放位置的配套工具。
随便看	armed helicopter armed independent regimes of workers and peasants armed police rescue team Armed Uprising of Dominican People armed working team in the enemy-occupied area Armen Albert Alchian Armenian calendar Armenian Church Armenian language Armenian Literature Armenians Armenian Virtual Observatory arm extension apparatus armhole Armidale Armide Armijn Pane Armijo line search armilenium ion armillary sphere armillary sphere and celestial globe Armillary Sphere of the Ming Dynasty arming, fuzing and firing system for nuclear weapon arming unit Arminians

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。