建筑高度超过100m的高层民用建筑,为应急疏散照明供电的蓄电池其连续供电时间不应

练习题库2022-08-02  27

问题 建筑高度超过100m的高层民用建筑,为应急疏散照明供电的蓄电池其连续供电时间不应小于(  )A.15minB.20minC.30minD.60min

选项 A.15min
B.20min
C.30min
D.60min

答案 C

解析
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