www91com国产91,国产欧美高清,不卡的在线视频,国产欧美在线观看不卡一,一念神魔高清壁纸,欧美日韩免费一区二区三区,mm625亚洲人成电影网

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