短语词组短语light -gauge steel framed residences 轻钢龙骨体系Light -gauge steel houses 轻型钢结构房屋WEB Light -Gauge Steel Joist Structure 无比轻钢龙骨体系WEB light -gauge steel joist sytem 无比钢龙骨体系new type of light -gauge steel 轻钢龙骨 返回 light gauge steel