• 2021-04-14
    已知图(a)中点B处挠度,又知图(b)与图(a)梁弯曲刚度相同。则图示(b)梁支座B的反力为( )2e88bed8f8b9fcf224f5e1c406649e46.png29806abe92e8fef89d9513f6d6b67ece.png