英语词汇piston valve怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	piston valve
释义	piston valve 1. 【机】活塞式阀门 2. 【音】(铜管乐器上的)活塞阀键
随便看	it shouldn't happen to a dog It shouldn't happen to a dog. It's never too late to mend. It so happens that ... It (so) happens that ... it's rabbits out of the wood itsy-bitsiness itsy bitsy itsy-bitsy It's you! It's (或 That's) a whack. ITT It takes all sorts. It takes all sorts to make a world. It takes all sorts (to make a world). it takes two to tango ITTF itty-bitty ITU it-up Iturbide Iturbide,Agustin de Iturup iTV ITV

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