在线亚洲AV无码秘 蜜桃医院,久久人妻精品白浆国产,国产熟妇搡BBBB搡BB七区,亚洲精品久久久久国产,乱码丰满人妻一二三区

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

在线亚洲AV无码秘 蜜桃医院,久久人妻精品白浆国产,国产熟妇搡BBBB搡BB七区,亚洲精品久久久久国产,乱码丰满人妻一二三区