Under the function of the brushing force, the brushwheels can do rolling and brushing work for the surfaces of teeth and can rotate on the bearing seat.
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。
2
The flex mechanism with lesser space is applied in the seed pitching apparatus and the parts of the seeding-tray precision seeding device with brushwheels is changed on the small si...