“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	Forel scale For Emperor forensic accounting identification forensic anthropology forensic autopsy forensic ballistics forensic biological evidence forensic clinical examination forensic clinical identification forensic clinical medicine forensic dentistry forensic diatom test forensic DNA analysis forensic DNA database forensic DNA fingerprint forensic DNA identification forensic DNA typing forensic entomology forensic entomotoxicology forensic examination for medical tangle forensic examiner forensic expert forensic expert at court forensic expertise forensic files

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。