借助初参数法的思路，建立管两端位移、内力向量间的关系。

Based on the initial parameter method, a concise relation between displacement vector and force vector at both ends of the pipe is obtained.

youdao

借助初参数法的思路，建立管两端位移、内力向量间的关系。

Based on the initial parameter method, a concise relation between displacement vector and force vector at both ends of the pipe is obtained.

youdao