“水力扩张式封隔器”的概念、定义、翻译、参考文献-科学参考

单词	水力扩张式封隔器
释义	水力扩张式封隔器 Encyclopedia 工学桥塞释 hydraulic expansion packer水力扩张式封隔器通过使胶筒内部压力大于外部压力（即使油管压力大于套管压力）而扩张，封隔油、套管环形空间的封隔器。
随便看	data warehouse data warehouse analysis data warehouse based decision support system data warehouse, DW data warehouse management data warehouse management system data warehouse，DW data wiping date line date over cable service interface specification date palm Da Tian Datian Xian datin dating dating examination of questioned document dating method dating method of Chinese rock paintings dating of groundwater dating with extinct radionuclides dative bond dative valence D atom datong datong brocaded poplin

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。