“mandrel hanger”的概念、定义、翻译、参考文献-科学参考

单词	mandrel hanger
释义	mandrel hanger [`man·drǝl ´haŋ·ǝr] ^{PETROLEUM ENGINEERING} A device used to provide a liquid- or gas- tight seal (blowout preventer) between oil-well tubing and the tubing head.
随便看	cellulolytic Cellulomonas cellulose cellulose acetate cellulose acetate butyrate cellulose acetate rayon cellulose diacetate cellulose ester cellulose ether cellulose fiber cellulose gum cellulose methyl ether cellulose nitrate cellulose propionate cellulose triacetate cellulose xanthate cellulosic cellulosic resin cell wall celo Celor lens system celsian Celsius degree Celsius temperature scale Celyphidae

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