“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	leadership development strategy leadership development technology leadership mentor program leadership of mega projects leadership science leadership style leadership theory leaders of Xiaogang Village's Big Contract leader stroke leader style lead flash smelting process lead foil lead frame materials lead free gasoline lead-free gasoline lead-free piezoelectric ceramic lead-free solder lead-free soldering lead glass lead glazing lead grid lead grill lead/half-lead command line of sight guidance lead hydroxide lead ( II ) carbonate, basic

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。