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
A.RoutingB.Routing LayersC.WidthD.Clearance
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