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該機在普通拋光機工作原理的基礎上增加了預著水系統，使大米表面浸水更加充分，從而提高大米的光亮度和精潔度。
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.