“循环阀”的概念、定义、翻译、参考文献-科学参考

单词	循环阀
释义	循环阀 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	Latin American Free Trade Association Latin American Integration Association Latin American Iron and Steel Institute Latin-Americanism Latin American left-wing politics Latin American literature Latin American News Agency Latin American Nuclear-Weapon-Free Zone Latin American Parliament Latin American Rural Sociology Association Latin American Studies Association Latin cross Latin cube Latin Empire Latin-Graeco square Latin group Latini Latinized New Writing Latin language Latin magic cube Latin magic square Latin rectangle Latin square Latin square design latin square design

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。