1. What are the characteristics of Zhao Zhouqiao?

1, convenient for flood discharge; The bridge is light; Strong stability; unique style

2. It can not only save stone, but also increase the water flow of the bridge and make the bridge body more beautiful, which is a multi-purpose design.

3. Point out the central idea of the article by means of discussion.

4. Add a small arch on the big arch to reduce the weight of the bridge, save stone and facilitate flood discharge; Strengthen the firmness of stone arch with iron bar connection; The two ends are wide and the middle is narrow, which enhances the stability of the stone arch.