这些瓦片呈现出金属般的质感，颜色变化多端，从红色、粉红色到金色、白色。
These tiles feature a metallic surface, so they appear to change colour from red and pink to gold and white.
用滚压成型辘机可以做出各种各样的建材构件，如金属波纹瓦片、龙骨、万能角钢、窗帘导轨、金属门框等。
Rolling machines can be used to make various construction components, such as corrugated metal tiles, keel, universal Angle iron, curtain guide rails, metal doorframe etc.
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