“hydraulic expansion packer”的概念、定义、翻译、参考文献-科学参考

单词	hydraulic expansion packer
释义	hydraulic expansion packer 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	Illustrated Local Records of Xinjiang Province Illustrated Novel Magazine Illustrated Pharmacopoeia illustrating one's personality by describing the appearance illustration Illustration and Binding Committee under China Artists Association illustration of radioactive measuring data illustration of textbook Illustration of the Fifteen Feudal States Mentioned in the Book of Odes Illustration Photography Illustrations and Explanations of Ceramic Production Illustrations and Explanations of Several Newly-built Devices Illustrations for A Dream of Red Mansions Illustrations for the "Artificer's Record" Illustrations of Military Victories "Illustrations of Rivers and Canals", Illustrated Record of Chang'an illustrations of The Biographies of Exemplary Women Illustrations of the Li People in Hainan Island illustrative illustrative diagram illustrative example illustrator illuvial horizon illuviate illuviation

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。