采用扇形不完全齿轮传动送料轮轴上的齿轮来完成，上、下滚轮的转速相同，但旋转方向相反。

The gear wheel is used to complete the rotation speed of the upper and lower rollers, but the rotation direction is opposite.

youdao

采用扇形不完全齿轮传动送料轮轴上的齿轮来完成，上、下滚轮的转速相同，但旋转方向相反。

The gear wheel is used to complete the rotation speed of the upper and lower rollers, but the rotation direction is opposite.

youdao