英语词汇“roller bearing”是什么意思，“roller bearing”的读音、用法及例句翻译-乐坝网

词汇	roller bearing
释义	roller bearingn.（名词） A bearing using rollers to reduce friction between machine parts.滚柱轴承：一种用滚柱减小机器部件之间摩擦的轴承
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