With the continuous increase of traffic speed and the growing number of long tunnels, the possibility of train fires inside tunnels will also increase, and the evacuation will be very difficult.

• 随着行车速度的不断提高和长大隧道的不断增多,隧道内发生列车火灾的可能性也将增加,而一旦发生火灾人员的疏散救援也会非常困难。