名词
中文翻译：排气阀头
同义词：
["排气阀头部例句：1. The exhaust valve head is crucial for maintaining the engine's efficiency.（排气阀头对于保持发动机效率至关重要。）2. The manufacturer replaced the exhaust valve head with a new one to improve performance.（制造商更换了排气阀头以提升性能。）"]
例句：
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1. The exhaust valve head is crucial for maintaining the engine's efficiency.
排气阀头对于保持发动机效率至关重要。
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2. The manufacturer replaced the exhaust valve head with a new one to improve performance.
制造商更换了排气阀头以提升性能。
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3.The exhaust valve head is designed to prevent backflow of exhaust gases into the combustion chamber.
排气阀头设计用来防止废气回流到燃烧室。