In Ji 'nan steel housing area, polystyrene foam is often used as a fill color steel sandwich panel in the he has the advantages of light weight, cheap price, good sound insulation, heat insulation.
在济南彩钢板房的领域，聚苯乙烯泡沫常常被用作彩钢夹芯板里的填充物，他具有质量轻，价格便宜，隔音，隔热好的特点。
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