英语词汇“back-draft damper”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-draft damper
释义	back-draft damper back-draft damper [′bak ‚draft ′dam·pər] (mechanical engineering) A damper with blades actuated by gravity, permitting air to pass through them in one direction only. back-draft damper A damper, 1 having blades which are actuated by gravity, permitting air to pass through them in one direction only.
随便看	jahb jahbl jahc jahcp jahcs jahd jahdiel jahds jahep jaher jahf jahh jahhm jahi jahis jahiz, abu-uthman amr ibn-bahr, al- jahk jahleel jahm jahma jahmai jahn, friedrich ludwig jahn, helmut jahnia jahnia thaxteri

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