名词
中文翻译：压力瓣
同义词：
['pressure valve', 'pressure flapper']
例句：
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1.The pressure flap on the engine is designed to reduce noise.
发动机上的压差瓣设计用来减少噪音。
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2.The pressure flap was used to seal the leak in the pipeline.
使用了压差瓣来密封管道的泄漏。
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3.The engineers had to adjust the pressure flap to improve efficiency.
工程师们不得不调整压差瓣以提高效率。