0
5
48
168
453
146
mechanical机械层 keepoutlayer禁止布线层 topoverlay顶层丝印层 bottomoverlay底层丝印层 toppaste,顶层焊盘层 bottompaste底层焊盘层 topsolder顶层阻焊层 bottomsolder底层阻焊层 drillguide,过孔引导层 drilldrawing过孔钻孔层 multilayer多层 机械层是定义整个P...