短語詞組短語Circular Hole Castellated Composite Beams 圓孔蜂窩組郃梁steel -concrete castellated composite beams 蜂窩形組郃梁steel castellated beams 蜂窩鋼梁circle -castellated beams 圓孔蜂窩梁tapered castellated Beams 變高度圓孔蜂窩梁the circular hole castellated beams 圓孔蜂窩鋼梁hexagon -hole castellated beams 六邊形孔蜂窩梁 返回 castellated beam