伊人久久免费牛牛|亚洲九十九页无码|国产亚洲乱码av|欧美经典丁香不卡|bg人人网午夜av一区二区免费|久久亚洲春色中文字幕久久|青草无码在线观看午夜黄色在线观看|最新久久青青草原|人妻爱爱综合网站|老司机97在线视频

Strengthening

Location:Home>Strengthening

Monitoring system of bridge along the Olympic Games extension highway
2024-07-04 11:41:02

With a total length of about 116 kilometers, Yangao Expressway is the direct high-speed channel between the Yanqing Olympic Games in 2022 and Chongli Olympic Games in Zhangjiakou. There are 5 Bridges and 3 tunnels along the line, and more than 700 monitoring points are distributed, which is a whole-life monitoring system.


111.jpg

The Winter Olympic Games extended along the lofty speed