英语词汇“flap 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	flap valve
释义	flap valve noun clack valve. Origin of flap valve First recorded in 1865–70 Words nearby flap valve flapper, flappers, flapping tremor, flappy, flaps, flap valve, flare, flareback, flare path, flares, flare star Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for flap valve At o is a delivery valve, opening outwards, which is often a ball-valve but sometimes a flap-valve. Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 1\|Various This blow-hole has a flap-valve, which the noxious blast opens, as often as it passes out. De Re Metallica\|Georgius Agricola A flap-valve nailed over a scupper-hole, serving to keep water from getting in, yet letting it out. The Sailor's Word-Book\|William Henry Smyth
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flap valve