“二次关井”的概念、定义、翻译、参考文献-科学参考

单词	二次关井
释义	二次关井 Encyclopedia 工学测试施工工艺释 second shut in二次关井在进行测试作业的油气井生产一段时间后，通过地面或井下控制，实现测试器第二次关闭的过程。
随便看	Astronomical Bureau Astronomical Chapter astronomical chronicle astronomical climate astronomical clock astronomical clock tower astronomical clock-tower astronomical clocktower astronomical compass astronomical computing and demonstration device astronomical constant astronomical constant system astronomical coordinate astronomical coordinate measuring instrument astronomical coordinate system astronomical data center astronomical date astronomical day astronomical distance astronomical ephemeris astronomical geodesy astronomical geology astronomical image processing system astronomical image-processing system astronomical image procession

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。