ball-race bearing
英
美
- ball n.球；球状物；炮弹；舞会；愉快的经历；胆量；胡说；（复）睾丸v.使成球状；呈球状；性交
- bearing n.轴承；举止；忍受；支撑物；影响
- race n.赛跑；竞争n.人种；种族；血统v.赛跑；竞赛
- A ball bearing had bounced off the submarine's hull.
潜艇船身上崩掉了一个滚珠轴承。
- Large sheave mounted on sealed ball bearings for high efficiency.
安装在密封滚珠轴承上的大型滑轮，有相当出色的效率。
