弯矩图是内力图的一种，检验弯矩图正确与否的基本方法是导数的几何意义判定法。

The basic way that verifies whether bending moment diagram is correct is derivative judge.

youdao

弯矩图是内力图的一种，检验弯矩图正确与否的基本方法是导数的几何意义判定法。

The basic way that verifies whether bending moment diagram is correct is derivative judge.

youdao