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The kraft paper and corrugated paper manufacturing process typically begins with the collection and processing of wood chips and wood fiber. The wood fiber is then mixed with various chemicals. Drone

视  频 ID:  1103035957
版      权:  punyawee chansriwong
视频长度:  0:24
横纵比率:  16:9
所属分类:  物体 工业 
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