英语词汇“butterfly 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	butterfly valve
释义	butterfly valve 1. a clack valve having two flaps with a common hinge. 2. a valve, as the throttle valve in a carburetor, that swings about a central axis across its face. [1860-65]
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