在线视欧美亚洲日本|国产欧美va欧美va香蕉在线|精品免费人成福利视频|天天爱天天久久

banner
Xiangli Highway Hutiao Gorge Bridge
2017-12-23 09:16:53

Xiangli Highway Hutiao Gorge Bridge a single-tower single-span earth-anchored  steel truss girder suspension bridge with a total length of 1020m and main span of 766m which belongs to the largest span among such structural bridges. The roller-type compound splay saddle is also used for the first time on the large span suspension bridge at home and abroad.


香麗高速公路虎跳峽大橋.jpg