“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	Investment Center investment coefficient investment estimate investment estimation investment for urban development investment fund of the insured investment funds law investment in grassland irrigation works investment insurance investment model investment of hydropower station investment of language human capital Investment of social medical insurance fund investment pattern of smart city investment payback period investment portfolio Investment Project Risk investment regulation investment result coefficient investments in art Investor Protection Fund Investors Relation Management investor-state arbitration to settle investment dispute inveterate invigilator

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。