The wheel pair includes the wheels arranged at the two ends of the hollow axle box; and the hollow axle box and the axle box body are connected by adopting a seal type taper ball bearing.
轮对包括设在空心车轴两端的车轮，空心车轴与轴箱体采用密封式圆锥滚珠轴承进行连接。
The wheel pair includes the wheels arranged at the two ends of the hollow axle box; and the hollow axle box and the axle box body are connected by adopting a seal type taper ball bearing.
轮对包括设在空心车轴两端的车轮，空心车轴与轴箱体采用密封式圆锥滚珠轴承进行连接。
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