“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	stationary solution stationary source stationary source of air pollution stationary star stationary state stationary state equation stationary state Green's functions stationary state of current stationary states stationary state Schrodinger equation stationary state Schrodinger wave equation stationary state wave equation stationary stochastic process stationary strategy stationary subgroup stationary submanifold stationary subset stationary system stationary tangent stationary tangent plane stationary time series stationary trajectory stationary transition probability stationary value stationary variational inequality

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