2. High-speed trains usually run automatically under computer control. Smoking will cause the smoke detector on the train to give an alarm automatically. Once an alarm is given, the computer will automatically control the train to slow down or even stop. Temporary parking in an emergency will destroy the original operation order of the railway, cause the train to be delayed, and pose a serious threat to the safety of train transportation. The speed of the train is more than 300 kilometers per hour, and the next time it leaves, it is only ten minutes. So it is very dangerous for the train to brake suddenly. "
Smoking is easy to cause fire. Cigarette butts have high calories. Ordinary paper and cloth have a low ignition point, which may cause a fire if you are not careful. Moreover, the EMU is a car with good sealing performance. In the event of a fire, the hot pot is unimaginable.