A.1 B.100 C.最大優(yōu)先級數(shù)目 D.0
A.頂層絲印層(TopOverLayer) B.焊盤助焊層(PasteMaskLayer) C.禁止布線層(KeepOutLayer) D.機械層(MechanicalLayer)
A.KeepOut B.PowerPlane C.Top D.BottomOverlay