Based on this, we consider a map of the internal forces simple painting and avoid complex calculations, through direct observation of paint.

基于此，采用一种内力图的简便画法，避免复杂的计算，通过观察直接画出。

youdao

Based on this, we consider a map of the internal forces simple painting and avoid complex calculations, through direct observation of paint.

基于此，采用一种内力图的简便画法，避免复杂的计算，通过观察直接画出。

youdao