人员密集场所的应急转换时间不应大于( )。A.1.5sB.3.0sC.5.0sD.10.0s
人员密集场所的应急转换时间不应大于( )。
A.1.5s
B.3.0s
C.5.0s
D.10.0s
相关考题:
消防应急照明和疏散指示系统的应急转换时间不应大于(),高危险区域的应急转换时间不应大于()。A.10s,0.5sB.10s,0.25sC.5s,0.25sD.5s,0.5s
人员密集场所的应急转换时间不应大于( )。
A.1.5s
B.3.0s
C.5.0s
D.10.0s