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单词 ball bearing
释义
Examples from literature
  • Chrome steel is also hard and tough and finds use in files, ball bearings and projectiles.
  • In this place young women were employed to sort the ball bearings which went into the machines.
  • Q. How often should the ball bearings be oiled?
  • The rims were so nicely adjusted with ball bearings that the smallest blow would send them spinning around, therefore a shell could not penetrate because it would glance off.
  • They work on ball bearings.
#https://dictionary.cambridge.org//dictionary/english/ball-bearing##
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更新时间:2026/3/29 22:54:08