勿让防火门变成“问题门”
Xin Lang Cai Jing·2026-02-04 08:13

Group 1 - The core viewpoint emphasizes that fire doors serve as a "life barrier" to prevent the spread of fire, and if they are left open during a fire, it can create a "chimney effect," complicating escape and rescue efforts [1] - There are significant ongoing issues regarding fire safety in high-rise buildings that require systematic and fundamental solutions [1]