AD9的pcb 里面怎样才能从TOP层视图换成从BOTTOM层网上面看,相当于把板子翻过来看 2017/9/17 AltiumDesigner AD9中更改PCB的视角 切换到3D(view–>switch To 3D)视图,然后点击 view–>Orthogonal Rotation,然后在切换到2D视图(view–>switch To 2D)