材
;
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
保温、密封、防水的拱形彩钢
的特点、构造、材、设备、施
艺、生产成本和应用。
顶；盖顶；顶盖法顶用的
；；材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保温、密封、防水的拱形彩钢的特点、构造、材、设备、施艺、生产成本和应用。
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