“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	complete set of eigenstates complete set of functionals complete set of functions complete sets of ultrasonic automatic test equipment complete shell complete shell, filled shell complete simplex method complete solution complete space complete square complete stability complete statistic complete straight line complete structure complete subcategory complete subcomplex complete subgraph complete sublattice complete subspace complete subspace lattice complete sufficient statistic complete sum complete surface complete symmetry complete synchrone

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。