该机在普通抛光机工作原理的基础上增加了预着水系统，使大米表面浸水更加充分，从而提高大米的光亮度和精洁度。
In this Rice Polishing Machine, apre-dampening systen is added on the base of the working principle of an ordinary rice polishing machine to make the rice surface soaked in water more fully, so as to improve the brightness and cleanness of the rice.