circular arch
短语词组
- circular r arch 圓弧拱
- spatial lattice circular circular arch 格搆式圓拱
- circular -arch refractory bed 圓拱形耐火爐牀
- 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 空間格搆式圓拱
- circular arch pipe 拱形琯
- circular arch dam 圓弧拱垻 返回 circular arch