名词
中文翻译：排气门盖
同义词：
['exhaust valve cover', 'exhaust gasket', 'exhaust cap']
例句：
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1. Theexhaust flap on the car's engine needs to be replaced regularly to prevent leaks.
汽车发动机上的排气门盖需要定期更换，以防止泄漏。
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2. The exhaust flap was designed to reduce noise and improve airflow.
排气门盖的设计旨在减少噪音和改善空气流通。
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3. The exhaust flap is a crucial component of the exhaust system that helps control the flow of exhaust gases.
排气门盖是排气系统的关键部件，有助于控制废气的流动。