The dust will also cause bearing, cylinder-wall, and piston and ring wear.
灰尘同．样也会导致轴承、气缸壁、活塞和活塞环的磨损。
The outer ring, however, has only one shoulder , so the bearing can be taken apart .
但是外圈只有一个轴肩，所以轴承可以拆开。
The smoke of steel ball bearing pressure such as depth limit ring precision sure.
钢球的烟如深度有轴承压限位环精度确定。
The smoke of steel ball bearing pressure such as depth limit ring precision sure.
钢球的烟如深度有轴承压限位环精度确定。
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