“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	Guixi Shi Guixi Taoist dance Guixi Ziyuan Fujiqu Guiyang Aluminum and Magnesium Design Institute Guiyang Grand Theatre Guiyang-Guangzhou High Speed Railway Guiyang Olympic Sports Center Guiyang Qian ling shan park Guiyang school Guiyang Shi Guiyang Wentong Publishing House Guiyang Xian Guiyijun Regime Guiyi Zhen Gui Youguang Guiyuan Guiyuan Bigeng Ji Guiyuan Conversation Guiyuan Publishing House guizhi decoction guizhi fuling pill guizhi gancao longgu muli decoction Guizhong Diqu Guizhou Guizhou Art College

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