名词
中文翻译：滚动轴承
同义词：
['sleeve bearing', 'ballbearing']
例句：
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1. The newcar has a roll bearing that reduces noiseand vibration.
这款新车采用了滚动轴承，减少了噪音和振动。
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2. The engineer used aroll bearing to reduce the weight of themachine.
工程师使用滚动轴承来减轻机器的重量。
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3. The rolling bearings in the gearbox are essential for smooth operation.
齿轮箱中的滚动轴承对于平稳运行至关重要。