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目前钢管混凝土结构的主要截面形式为方形和圆形。
At present, the section types of concrete-filled steel tube included square shape and circular shape.
youdao
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目前钢管混凝土结构的主要截面形式为方形和圆形。
At present, the section types of concrete-filled steel tube included square shape and circular shape.
youdao