1、
It is considered to be a good invention space truss into pedestrian bridge construction.
采用空腹式网架结构建造人行天桥在国内外是首创.
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2、
3、
Hagrid and Harry are also filmed walking over the pedestrian bridge across the tracks.
海格和哈利在影片里也曾走过人行天桥跨过铁轨.
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4、
The Construction Technology for Tunneling the Silt Stratum through the Pedestrian Overhead Bridge
粉砂地层暗挖隧道穿越人行天桥施工技术
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