circular arch
短语词组
- circular r arch 圆弧拱
- spatial lattice circular circular arch 格构式圆拱
- circular -arch refractory bed 圆拱形耐火炉床
- three -hinged circular steel arch 三铰圆弧钢拱
- thre - hinged circular steel arch 三铰圆弧钢拱
- two -hinged circular steel arch 两铰圆弧钢拱
- spatially latticed circular arch 空间格构式圆拱
- circular arch pipe 拱形管
- circular arch dam 圆弧拱坝 返回 circular arch