试题详情

疏散楼梯的最小净宽度不宜小于(  ),疏散走道的最小净宽度不宜小于( ),门的最小净宽度不宜小于( )

A 1.00m,1.20m,0.70m

B 1.10m,1.40m,0.90m

C 1.20m,1.50m,1.00m

D 1.20m,1.40m,1.00m