毛刷轮在刷拭力的作用下对牙齿表面进行滚动刷拭、并在轴承座上转动。

Under the function of the brushing force, the brush wheels can do rolling and brushing work for the surfaces of teeth and can rotate on the bearing seat.

youdao

毛刷轮在刷拭力的作用下对牙齿表面进行滚动刷拭、并在轴承座上转动。

Under the function of the brushing force, the brush wheels can do rolling and brushing work for the surfaces of teeth and can rotate on the bearing seat.

youdao