Eight authentic bridges in Shijiazhuang City with escape ladder
According to the work experience of the flood prevention in previous years and the...
Eight authentic bridges in our city add to escape crawling ladder
According to the work experience of the flood prevention in previous years and the...
Shijiazhuang eight authentic bridges installed 16 escape ladders for emergency risk aversion during the flood season
■ A warning sign next to the escape ladder.■ Workers are installing escape ladde...