Uses the X pattern of abrasion produced by a rotary action of a pair of abrasive wheels.
通过一对磨擦轮的旋转作用产生“X”型磨擦作用。
The wheels have a pair of small electronic light-emitting devices called light—emitting diodes (LED) mounted on either side4.
滚轮两边各有一个叫做发光二极管的小型电子发光器件。
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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