短語詞組短語laced steel column 空腹鋼柱laced d column 綴合柱laced column of built channels 槽鋼綴合柱concreted -filled steel tubular laced column 鋼管混凝土格構(gòu)柱concrete -filled steel tube laced column 鋼管混凝土格構(gòu)柱 返回 laced column