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题目内容
(许昌学院建筑设备(专升本))
住宅楼梯栏杆间的净距不应大于()mm
A
110.0
B
120.0
C
130.0
D
150.0
A
110.0
B
120.0
C
130.0
D
150.0
参考答案
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