单项选择题
A.High SpeedB.RoutingC.PlaneD.SMT
A.最粗线宽限制B.最细线宽限制C.自动布线之预置线宽D.平均线宽限制
A.WidthB.Routing LayerC.Routing PriorityD.Routing Corners
A.PlacementB.RoutingC.ClearanceD.High Speed
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