The roof construction and skylights is wrapped in asphalt roll roofing.
屋顶构造和天窗包裹有沥青卷材。
The felt wrapped circulation and cooling inside roll and bring a perfect effect.
压光辊内采用螺旋往复式水槽，水循环冷却，效果极佳；
The felt wrapped circulation and cooling inside roll and bring a perfect effect.
压光辊内采用螺旋往复式水槽，水循环冷却，效果极佳；
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