Ball bearing
01
滚珠轴承, 球轴承
a type of rolling-element bearing that uses balls to maintain the separation between the bearing races, reducing friction and enabling smooth rotation
例子
Industrial machinery relies on ball bearings to reduce friction and facilitate the movement of rotating parts.
工业机械依靠滚珠轴承来减少摩擦并促进旋转部件的运动。
