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.
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.
应用推荐