名词
中文翻译：排气凸轮
同义词：
["排气阀，排气凸轮例句：1. The exhaust cam is responsible for controlling the engine's exhaust gases.（排气凸轮负责控制发动机的废气。）2. The exhaust cam system is designed to improve fuel efficiency.（排气凸轮系统旨在提高燃油效率。）"]
例句：
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1. The exhaust cam is responsible for controlling the engine's exhaust gases.
排气凸轮负责控制发动机的废气。
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2. The exhaust cam system is designed to improve fuel efficiency.
排气凸轮系统旨在提高燃油效率。
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3. The exhaust cam was replaced after several years of use, as it had become worn out.
经过几年的使用后，排气凸轮被更换了，因为它磨损严重。