短語(yǔ)詞組短語(yǔ)circular r arch 圓弧拱spatial lattice circular circular arch 格構(gòu)式圓拱circular -arch refractory bed 圓拱形耐火爐床three -hinged circular steel arch 三鉸圓弧鋼拱thre - hinged circular steel arch 三鉸圓弧鋼拱two -hinged circular steel arch 兩鉸圓弧鋼拱spatially latticed circular arch 空間格構(gòu)式圓拱circular arch pipe 拱形管circular arch dam 圓弧拱壩 返回 circular arch