英语词汇“tension packer”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	tension packer
释义	tension packer tension packer [′ten·chən ′pak·ər] (petroleum engineering) A device to pressure-seal the annular space between an oil-well casing and tubing, held in place by tension against an upward push; a type of production packer.
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