“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	exceptional group exceptional Jordan algebra exceptional leaf exceptional Lie algebra exceptional Lie group exceptional lithologic reservoir exceptional orbit exceptional point exceptional promotion of cadre exceptional selection exceptional set exceptional set of Goldbach numbers exceptional subvariety exceptional subvariety of the first kind exceptional surface exceptional value exceptional variety exception clauses in the international investment agreement exception dispatcher exception handling exception of binary floating point exception scheduling program excerpt Excerption of Song Dynasty Poetry Excerpt Medica Database

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。