For plane bending the characteristics of deformation are ( ).
A、Thecrosssectionremainsplanewhenbent;
B、Theaxisafterdeformationisaplanecurve;
C、Allexternalloadsactonthesameplane;
D、Theaxisafterdeformationisinthesameplanewiththeloadingplane.
发布时间：2025-07-11 15:20:01
