“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	Chinese Crinum Chinese crude medicinals Chinese cultural heritage day Chinese Cultural History Series Chinese Cultural Industry person of the Year Chinese Cultural Industry research series Chinese cultural psychology Chinese Culture Chinese Curling Association Chinese currencies in previous ages Chinese Cycling Association Chinese cymbidium Chinese Dance Chinese Dance Aesthetics Chinese Dance Cultural Relics Atlas Chinese Dance Dictionary Chinese Dance Research Associaton Chinese Dancers Association Chinese Daoist Canon Chinese Daoist CanonⅡ Chinese Darts Association Chinese date chinese date Chinese Decimal Classification Chinese Department

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。