“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 Association of Agricultural Science Societies，CAASS Chinese Association of Animal Science and Veterinary Medicine Chinese Association of Automation Chinese Association of Drug Abuse Prevention and Treatment Chinese Association of Eco-environment Protection of Agriculture Chinese Association of Ethno-National Theory Research Chinese Association of Geriatric Research, CAGR Chinese Association of Integrative Medicine Chinese Association of Literary and Art Circles for Resisting Enemy Chinese Association of Natural Science Museums Chinese Association of Physical Education Chinese Association of Poets, Essayists and Novelists Chinese Association of Sled Chinese Association of Social Psychology Chinese aster chinese astronomical data center Chinese Astronomical Society Chinese Astronomy and Astrophysics Chinese Athletics Association Chinese Authors Association Chinese aviation press Chinese Badminton Association Chinese bahaba Chinese Ballads Chinese Ballad Singers Association

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。