“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	compactly generated space compactly generated topology compactly supported compact machinery compact manifold compact mapping compact measure compact metric space compact module compact morphism compact nebula compactness compactness condition compactness in itself compactness-like compactness of a manifold compactness of an operator compactness principle compactness property compactness theorem compact nucleus compact object Compact of Free Association Compact of Free Association between the United States and the Marshall Islands compact-open

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