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单词 ball bearing
释义

ball bearing

See also: ballbearing

English

A ball bearing

Noun

ball bearing (plural ball bearings)

  1. (engineering) A bearing assembly which uses spherical bearing balls as the rolling elements.
  2. (in common usage) An individual spherical ball, usually made of steel or other hard material, suitable for use in a ball-based rolling element bearing.

Translations

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