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ball bearings例句_ball bearings英汉例句_ball bearings双解例句_流逝汉英词典
流逝汉英词典

ball bearings

B 开头单词

常见例句

  • Deep groove ball bearing is a bearing.
    深沟球轴承是轴承的一种。
  • The object of using ball bearings is to reduce the friction.
    使用滚球轴承的目的在于减少磨擦。
    • 返回 ball bearings