亚洲美女色色久久视频草一草|亚欧精品在线播放|国产3级毛片综合网色色|三级片中国美女黄片|激情久久丁香AV|美国A片在线观看免费播放|人妖视频一级黄片|亚洲手机免费视频|免费特级黄毛片男女拍|九色国产在线久久九九性爱

banner
Dong Shaoxi Bridge
2017-12-22 17:43:05

Dong Shaoxi Bridge adopts 75+228+75m cable-stayed plus suspension composite system as main bridge and semi-floating system with a spans of 4*25+75+228+75+4*25m and a total length of 585.04m. The girder is steel concrete connecting beam and side span is cast-iplaceconcrete box girder. Bridge deck is 41.6m in the width. Main tower is steel tower and axial alignment adopts catenary line.


東苕溪大橋.jpg