With this seven ply line, single wall, double wall and triple wall corrugated board can be produced.
七层瓦楞纸板生产线，可以生产三层，五层及七层瓦楞纸板。
Besides the application scope of single wall and double wall corrugated board, the triple wall product is mainly used as motorcycle packing material.
除了具有三层和五层瓦楞纸板的应用特性外，七层瓦楞纸板主要用于摩托车的包装。
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