1、河上那座桥是座单跨度桥.
The bridge across/over the river is a single span bridge.
2、河上那座桥是座双跨度桥.
The bridge across/over the river is a two-span bridge.
1、河上那座桥是座单跨度桥.
The bridge across/over the river is a single span bridge.
2、河上那座桥是座双跨度桥.
The bridge across/over the river is a two-span bridge.