大伊人狠狠躁夜夜躁av一区/亚洲精品9/国产毛片久久/少妇一级淫片免费放香蕉

banner
Gansu Zheda Liujia Gorge Bridge
2017-12-23 10:06:20


Liujia Gorge Bridge is a longest single span bridge in Gansu so far, longest suspension bridge in southwest China, the most narrow bridge among the same scale bridges in China too. It adopts a steel pipe concrete gate type tower with 536m main span and 15m deck.


甘肅折達劉家峽大橋.jpg