“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	shaft-less printing system shaft lining shaft lining process shaft lock shaft of underground oil storage in rock caverns shaft process of pelletizing shaft spillway shaft state measurement shaft station shaft sump shaft vibration monitoring system shaft work shaft works Shafīq Jabrī shaggy mane Shaguoliang Shah Sha Ha Shaharom Hussin Shah Dagh Shah Dynasty Sha He Shahekou Qu Shahe Shi Shahezi Formation

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。