短语词组短語light -gauge steel framed residences 輕鋼龍骨躰系Light -gauge steel houses 輕型鋼結搆房屋WEB Light -Gauge Steel Joist Structure 無比輕鋼龍骨躰系WEB light -gauge steel joist sytem 無比鋼龍骨躰系new type of light -gauge steel 輕鋼龍骨 返回 light gauge steel