宿舍楼2层框架柱的断面尺寸为()

宿舍楼2层框架柱的断面尺寸为()

A.0.4mX0.4m

B.0.5mX0.5m

C.0.35mX0.35m

D.均不对

正确答案:0.4mX0.4m

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