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雨水管要做些什么实验
更新时间: 2020-09-22 00:00:00  

雨水管需要做通球试验和通水试验。把檐沟里的水引到地面的竖管多用铁皮等制成也叫水落管。雨水管又称排水管、下水管、落水管、方形雨水管等多种称谓,雨水管的材质多有pvc、铝合金、树脂、铜等材质,同价格比较昂贵,市场上普遍用pvc、铝合金和树脂材质的雨水管。

关键词: 雨水管 什么 实验

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