名词中文翻译
中文翻译：活瓣阀
同义词：
['baffle valve', 'flapper valve']
例句：
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1. The new flap valve is more efficient than the old one.
新的活瓣阀比旧的更高效。
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2. The engineer replaced the old flap valve with a new one.
工程师用一个新的代替了旧的活瓣阀。
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3. The flap valve was designed to prevent air leakage during operation.
活瓣阀设计用来在操作过程中防止空气泄漏。