短語詞組短語mild steel round bar 軟圓鋼條;軟鋼圓棒材carbon steel round bar 圓形碳素鋼條steel -bar installation 鋼筋安裝Steel Deformed Bar 螺紋鋼steel reinforcing bar 鋼筋shear steel -bar 剪力鋼筋 返回 steel bar