(单选题)
单股人流为()。建筑规范对楼梯梯段宽度的限定是住宅(),公共建筑 ()。
A600mm一700mm,≥1200mm,≥1300mm
B550mm一700mm,≥1100mm,≥1200mm
C550mm一700mm,≥1200mm,≥1500mm
D500mm一600mm,≥1100mm,≥1300mm
正确答案
答案解析
略
A600mm一700mm,≥1200mm,≥1300mm
B550mm一700mm,≥1100mm,≥1200mm
C550mm一700mm,≥1200mm,≥1500mm
D500mm一600mm,≥1100mm,≥1300mm