英语词汇“mandrel hanger”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	mandrel hanger
释义	mandrel hanger mandrel hanger [′man·drəl ‚haŋ·ər] (petroleum engineering) A device used to provide a liquid- or gas-tight seal (blowout preventer) between oil-well tubing and the tubing head.
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