subject: Nanjing Tunnel Accident Should Escape Daquan Baked [print this page] "Urban tunnel is no set standard on the means of escape, but we all do in the light tunnel." Experts say, in addition to pedestrian access, all the tunnel every 750 meters, there is a traffic channel, if the side of the tunnel accident can quickly turn around opening to another tunnel and escape.
Nanjing Tunnel Accident Should Escape Daquan Baked
