来自MSN8 天
West Virginia Division of Highways crews work to replace deck on historic Tunney Hunsaker ...
Members of the West Virginia Division of Highways are working to replace the wooden deck on the historic Tunney Hunsaker ...
China Internet Information Center15 年
Lupu Bridge
The record had previously been held by the New River Gorge Bridge in West Virginia ... It's the world's first ever completely welded bridge structure. In construction a hefty 35,000 tons of ...