名词
中文翻译：顶铁
同义词：
['top plate', 'top cap', 'top ring例句：1. The top iron isthe part of the engine that connectsto the transmission.（顶铁是发动机与变速器连接的部分。）2. The top iron needs to bereplaced regularly to ensure proper functioning.（顶铁需要定期更换，以确保正常工作。）']
例句：
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1. The top iron isthe part of the engine that connectsto the transmission.
顶铁是发动机与变速器连接的部分。
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2. The top iron needs to bereplaced regularly to ensure proper functioning.
顶铁需要定期更换，以确保正常工作。
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3. The topiron is designed to protect the engine fromdamage during transportation.
顶铁设计用来在运输过程中保护发动机免受损害。