名词
中文翻译：轮轴头部
同义词：
['hub', 'axle', 'wheel hub']
例句：
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1. The car's wheel headis damaged beyond repair.
这辆车的轮轴头部损坏无法修复。
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2. Theengineer inspected the wheelhead for signs of wear.
工程师检查了轮轴头部是否有磨损的迹象。
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3. The new tire had to be replacedbecause the wheel head was too worn.
新轮胎必须更换，因为轮轴头部磨损严重。