“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	central maximum central memory T celL，TCM central meridian central metering mode is preferred Central-Min Dialects central moment central motion Central Motion Picture Corporation central mountain Central Movie Corporation Central Nacional de Trabajadores de Panama central nervous system central nervous system drugs central nervous systeminfection central nervous system leukemia Central News Agency Central Newsreel and Documentary Film Studio Central nobility system central nonassociative algebra central nuclear potential Central Observatory central office Central officials of two thousand bushel Central officials serving as courtiers Central Opera Theatre

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。