通风管道一般分为三种材质:白铁(镀锌)通风管道,玻璃钢通风管道,复合材料通风管道;
Ventilation duct is generally divided into three materials: white iron
(Galvanized) ventilation pipe, glass fiber reinforced plastic
ventilation pipe, composite material ventilation pipe;
通风管道广泛应用建筑工程,如:饭店,宾馆,酒店,医院,工厂,商场大楼,办公大楼等。
Ventilation ducts are widely used in construction engineering, such as:
hotels, hotels, hospitals, factories, shopping malls, office buildings,
etc.