单项选择题
A.T→U→AB.T→U→NC.T→U→CD.T→U→OE.T→U→R
A.True TypeB.DefaultC.Stroke(笔划)D.BarCode(条形码)
A.Routing→WidthB.Routing→Width LayersC.Electrical→ShortCircuitD.Electrical→Clearance