由于增加了一套轴向止推轴承，所有的推力和向心轴承均被分别预加载。

With an additional axial thrust bearing, both the thrust and radial bearings are preloaded individually.

youdao

由于增加了一套轴向止推轴承，所有的推力和向心轴承均被分别预加载。

With an additional axial thrust bearing, both the thrust and radial bearings are preloaded individually.

youdao