A.0號(hào)焊盤(pán)B.1號(hào)焊盤(pán)C.頁(yè)面左下角D.封裝圖形幾何中心
A.KeepOutLayerB.TopOverlayC.Mechanical 1D.Multi layer
A.1:3B.2:1C.3:1D.1:2