次钢构包括檩条，门框架等由镀锌钢型材料制成。
Secondary frame including purlins, doors frame… made of galvanized steel profiles.
用钢量增加幅度最大的是不上人的轻型屋面檩条，提高幅度达22%。
The maximum amount of increasing in weight of steel is 22%for the roof purlins.
在建筑外墙，安装中间钢立柱（在2个主柱之间），用来支撑檩条和墙面板。
On building peripheral, intermediate steel columns will be installed (in between 2 main columns), in order to support wall purlins and cladding.
次钢构包括檩条，门框架等等，由镀锌钢型材料制作。
Secondary frame including purlins, doors frame... made of galvanized steel profiles.
次钢构包括檩条，门框架等等，由镀锌钢型材料制作。
Secondary frame including purlins, doors frame... made of galvanized steel profiles.
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