prestressed secondary beam的意思|示意
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预应力副梁
prestressed secondary beam的网络常见释义
预应力次梁 ...与分析-建筑结构 关键词］正交；预应力次梁；预应力主梁；主梁扭矩 [gap=946]Keywords:orthogonal; prestressed secondary beam; prestressed main beam; torque of main beam ...