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
Yinchuan Binhe Yellow River Birdge
2017-12-23 09:47:24


Yinchuan Binhe Yellow River Birdge is a three-tower four-span steel concrete beam self-anchored suspension bridge with largest span in the world as well as the largest single project in Ningxia autonomous region with 218m main span.


銀川濱河黃河大橋.jpg