国内精品人妻无码久久久影院蜜桃,蜜臀av色欲无码人妻精品天美,日韩欧美一级大黄片,国产精品VIDEOSSEX久久发布,99久久久久久精品四季

Strengthening

Location:Home>Strengthening

Qingdao Liuting interchange structure monitoring system
2024-07-04 11:36:55

Ting overpass is an important transportation hub located at the north gate of Qingdao, which undertakes extremely important transportation tasks and is also an important image window of Qingdao. The monitoring system mainly monitors the vehicle load of the bridge, the deflection of the main beam and the displacement of the support for a long time.


111.jpg

Qingdao Liuting Interchange