corrugated galvanized sheet roofing 镀锌波纹铁皮屋面 corrugated galvanized sheet metal 波纹镀锌薄钢板 corrugated galvanized iron sheet roofing 镀锌瓦楞铁皮屋面 ..
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The buildings have a structural frame made of galvanized steel and are clad in corrugated sheet metal painted black.
建筑采用了镀锌钢制成的结构框架，并且框架都包裹上了黑色波纹金属板。
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