单项选择题
当高层建筑的沿街长度超过()或总长度超过()时,应在适中位置设置穿过建筑的消防车道
A.180m,220m
B.180m,200m
C.150m,220m
D.150m,200m
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单项选择题
A.180m,220m
B.180m,200m
C.150m,220m
D.150m,200m
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