“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	infrared sensitive phosphor infrared sensor infrared silica glass infrared singularity infrared slavery infrared solar radiation infrared source infrared space astronomy Infrared Space Observatory Infrared Spatial Interferometer infrared spectroelectrochemistry infrared spectrometer infrared spectrometry infrared spectrometry for pharmaceutical analysis infrared spectrophotometer infrared spectrophotometry infrared spectroscopic analysis of minerals Infrared Spectroscopy infrared spectroscopy infrared spectroscopy remote analysis infrared spectrum infrared stable point infrared star infrared staring detector infrared staring imaging guidance

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