材料;
石膏The characteristic, structure, raw materials, equipment, process, cost and applications of arched colour plated roofing are introduced. The foams act as insulator, seal and waterproofer in roofing.
简要介绍了
泡沫塑料保温、密封、防水
拱形彩钢
特点、构造、材料、设备、施工工艺、生产成本和应。
；盖；盖法；遮蔽（roofing形式）瓦；瓦；瓦材料The characteristic, structure, raw materials, equipment, process, cost and applications of arched colour plated roofing are introduced. The foams act as insulator, seal and waterproofer in roofing.
简要介绍了泡沫塑料保温、密封、防水拱形彩钢特点、构造、材料、设备、施工工艺、生产成本和应。
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