Spiral piece rotary vane rotary mill feed into the mouth to filter out the fine material discharged from the overflow pipe.
螺旋片旋片旋入磨机进料口，把过滤出的细料从溢流管子排出。
Spiral piece rotary vane rotary mill feed into the mouth to filter out the fine material discharged from the overflow pipe.
螺旋片旋片旋入磨机进料口，把过滤出的细料从溢流管子排出。
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