英语词汇“annular blowout preventer”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	annular blowout preventer
释义	annular blowout preventer annular blowout preventer [′an·yə·lər ′blō‚au̇t pri‚ven·tər] (petroleum engineering) A sealing device used in a drilling operation that consists of a large valve, which provides a seal in the annular space between the pipe and the wellbore, or on the wellbore itself if no pipe is present.
随便看	gone to the expense of gone to the great in the sky gone to the great (something) in the sky gone to the great something in the sky gone to the lavatory gone to the limit gone to the pack gone to the stake gone to the stake for gone to the toilet gone to the top gone to the trouble gone to the trouble of gone to the wall gone to the wars gone to the world gone to the worst gone to town gone to war gone towards gone to waste gone to work gone to wrack and ruin gone to your glory gone two forty

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