“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	pseudoconcavity pseudo-conformal pseudo-conformal geometry pseudo-conformally equivalent set pseudo-conformal mapping pseudo-conformal transformation pseudo-conical map projection pseudoconic projection pseudoconjugant pseudo-conjugate function pseudoconjugation pseudo-conserved quantity pseudo-continuous function pseudocontinuum pseudo-contractive pseudo-convergence pseudoconvex pseudoconvex domain pseudoconvex function pseudoconvexity pseudoconvex manifold pseudoconvex set pseudoconvex space pseudo-coordinate pseudocopulation

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