“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	turf soil turf summer patch turf surface evenness turf topdressing turf traffic tolerance turf vertical cutting turf with cool-season grasses turf with warm-season grasses Turgai iron deposit Turghuud's East Migration turgid turgidity turgidness turgor turgor movement turgor pressure Turin Turing Turing algorithm Turing complete set Turing computability Turing computable function Turing definability Turing degree Turing degree structure

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。