英语词汇“back-pressure valve”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	back-pressure valve
释义	DictionarySeecheck valve back-pressure valve back-pressure valve [′bak ‚presh·ər ‚valv] (petroleum engineering) A check valve installed in a natural-gas well bore to shut off gas flow while replacing the blowout preventer (used during drilling) with a christmas tree piping arrangement, which controls gas flow out of the completed well. check valve, back-pressure valve, reflux valve check valve An automatic valve which permits liquid to flow in only one direction. Also see non-return valve.
随便看	push-and-pull endoscopy push and pull stroke push and release push around push around in push aside push at push at an open door push at (someone or something) push away push back push-back pushback push back now push-back procedure push back the clock push ball push-ball pushball push-bang technique push bar push-bar conveyor push bench push bike push-bike

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。

back-pressure valve