The most probable loss scenario for undergroundtraffic facilities (tunnels, railway stations) is an uncontrollable fire.
对于地下交通设施（隧道、地铁站），最有可能的损失情况是失去控制的火灾。
2
Metros station is an undergroundtraffic space which is negative to the health of people in physiological and psychologically aspects.
地铁车站是处于地下的交通空间，有很多对人的生理和心理不利的因素。
3
Article14 in constructing trunk lines of undergroundtraffic and other underground projects in a city, consideration shall be given to the needs of civil air defense.