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【多选题】
有关楼梯的净空高度正确的是（）
A.
楼梯段之间的净高不应小于2.2m
B.
楼梯段之间的净高不应小于2.0m
C.
楼梯平台下人行过道处的净高不应小于2.2m
D.
楼梯平台下人行过道处的净高不应小于2.0m
E.
楼梯平台下人行过道处的净高不应大于2.2m
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