99久久久久久久无码,熟女作爱一区二区视频,熟妇的味道HD中文字幕,91视频网站免费观看,成人毛片18女人毛片真水

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