名词
中文翻译：排气阀升降凸轮
同义词：
["排气阀升程凸轮例句：1. The exhaust valve is a crucial component in the engine's operation.（排气阀是发动机运行中的关键部件。）"]
例句：
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1. The exhaust valve is a crucial component in the engine's operation.
排气阀是发动机运行中的关键部件。
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2.The engineer carefully adjusted the exhaust valve to ensure optimal performance.
工程师仔细调整了排气阀，以确保最佳性能。
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3. The exhaust valve system plays a vital role in reducing emissions and improving fuel efficiency.
排气阀系统在减少排放和提高燃油效率方面起着至关重要的作用。