1. ball and roller bearing 
   滚动轴承
2. It was not until the introduction of ball and roller bearings that friction could be greatly reduced between moving parts. 
   直到应用了滚珠和滚柱轴承，可动部件间的摩擦才大大地减小了。
3. Roller or ball bearings have gradually edged out the earlier types of bearings in which the surfaces in contact move by sliding. 
   滚柱或滚珠轴承已逐渐代替那种接触表面靠滑动运动的早期型号的轴承。

查看更多例句 相关情景会话

• 1. 滚珠和滚柱轴承
  ball hammer 圆头锤...ball and roller bearing 滚珠和滚柱轴承...ball and roller bearing 球-圆柱滚子轴承
  www.cn176.com - 相关搜索
• 2. 滚珠滚柱轴承
  ball and burlap planting 土球包扎装置...ball and roller bearing 滚珠滚柱轴承...ball and socket base 球窝座
  www.kejiyingyu.com - 相关搜索
• 3. 羊足碾
  就滚柱轴承而论,滚动摩擦代替了滑动摩擦。 sheep-foot roller...羊足碾 ball and roller bearing...滚动轴承 A small wheel or roller;a caster.
  www.ifanyi.cn - 相关搜索
• 4. 球辊轴承
  舶来风 Bali wind...球辊轴承 ball and roller bearing...球窝轴承 Ball and socket bearing
  yingyucihui.scientrans.com - 相关搜索