“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	Helen V.Milner Helen Weinzweig Helen Willa Samuels Hele-Shaw analogy Helfrich deformation Helfrich force Helfrich permeation mechanism Helfrich's permeation model Helfrich spontaneous curvature model Helga Maria Martinson Helgason Helge Rosvaenge heliacal cycle heliacal rising heliacal setting heliacal year heliaea Helian Bobo He Liangfu He Liangjun He Liangjun’s family opera troupe Helianthus annuus pollen heliation heliatron heliborne radar

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