Therefore, this article studied has developed the reinforced concrete portal frame construction design intelligent CAD system.
为此，本文研究开发了钢筋混凝土框架结构设计的智能CAD系统。
Therefore, this article studied has developed the reinforced concrete portal frame construction design intelligent CAD system.
为此，本文研究开发了钢筋混凝土框架结构设计的智能CAD系统。
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