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问题详情

钢筋混凝土正方形柱和矩形柱的截面尺寸不宜小于（）

A、150mm×l50mm

B、200mm×200mm

C、250mm×250mm

D、300mm×300mm

时间：2021-09-06 21:33 关键词：联大华北水利水电大学建筑工程技术砌体结构

答案解析

C

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