According the regulations the corrugated iron sheets lap 10 centimetres over each other.
按照规范瓦楞板需相互迭盖十
。
状钢 陨铁According the regulations the corrugated iron sheets lap 10 centimetres over each other.
按照规范瓦楞板需相互迭盖十
。
Sheets of corrugated iron are often used for temporary roofs and fences.
纹铁皮常用
建造
时屋顶和围墙。
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