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.
简要介绍了用泡沫塑料保温、密封、防水
拱
屋面特点、构造、材料、设备、施工工艺、生产成本和应用。
屋顶；屋顶法
…上顶；遮蔽（roofing式）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.
简要介绍了用泡沫塑料保温、密封、防水拱屋面特点、构造、材料、设备、施工工艺、生产成本和应用。
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