“circulating sub”的概念、定义、翻译、参考文献-科学参考

单词	circulating sub
释义	circulating sub Encyclopedia 工学测试作业设备释 circulating sub循环阀在测试结束后，可为环空和管柱之间建立循环通道，用于替出管柱中的地层流体和循环压井作业的阀门。
随便看	Makaru Feng Makati Mak Bing-wing Ma Ke make an arrangement in advance with sb. for his contribution Makea Takau Ariki Make He Makehe Linchang Makemake Makeni Maker maker behavior maker culture Makerere University maker morality maker space makespan Make the Devil Surrender make the police stronger through reform make-to-order make-to-stock make-up make-up artist makeup case of Yihuang Opera Troupe of Jiuche Village, Yihuang County makeup fixing

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。