关于赵州桥的英语作文
问题描述：
关于赵州桥的英语作文
答
The Zhaozhou Bridge is about 50 m long with a central span of 37.37 m.It stands 7.3 m tall and has a width of 9 m.The arch covers a circular segment less than half of a semicircle (84°) and with a ra...