“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	the theory of trickle-down the theory of two faces of power the theory of value yourself The Theory of Yudao the theory that machine production benefits people's livelihood the thermal and humid environment control of aquaculture greenhouse the thermal equator/the heat equator the theroy of "creating deyity" The Thief The Thin Blue Line The Thinker the third-arty finance The Third Collection of Qing Poetry Remarks the third distribution the third generation mobile communication technology the third generation sequencing the third industrial revolution the third instance as the final the third kind superlattices the third law of thermodynamics The Third Line Construction Museum of China in Panzhihua The Third Man the third mathematical crisis the third method the third national land survey

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。