滚针

• runner axle
• roller pin
• needle roller
• rolling needle
• kingpin
• quill roller

参考释义

滚针 [gǔn zhēn]

• -
• 短语
  滚针导轨 roller guide
  滚针关节轴承 needle knuckle bearing
  滚针套 needle bush
  滚针轴承 multi-roll bearing; needle bearing; needle (type) roller bearing; quill bearing