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

料保温、密封、防水的拱形
钢屋面的特点、构造、材料、
、
工工艺、生产成本和应用。
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" The cooling cost is an obstacle in some countries. In Gulf countries we have an advantage because energy is relatively cheap, however, farms in Gulf countries have additional costs due to importing most of the material they need" .
在一些国家冷却成本是个障碍,但在海湾国家我们有自己
优势,就是能源相对便宜。然而,海湾国家
农场由于进口他们所需
大部分材料而增加了成本。
境