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A new type of composite construction-concrete-filled steel tube with formwork composite construction is studied.
本文实验研究了一种新型的钢管混凝土组合结构—模网钢管混凝土结构。
youdao
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A new type of composite construction-concrete-filled steel tube with formwork composite construction is studied.
本文实验研究了一种新型的钢管混凝土组合结构—模网钢管混凝土结构。
youdao