设计PCB元件时,元件的外形轮廓绘制在(0.6) A: Multi laye B: Top Overlaye C: TopLaye D: Bottom Laye
设计PCB元件时,元件的外形轮廓绘制在(0.6) A: Multi laye B: Top Overlaye C: TopLaye D: Bottom Laye
直插式元件的焊盘，应该放置在印制电路板的哪个层: A: KeepOutLaye B: TopLaye C: BottomLaye D: MultiLaye
直插式元件的焊盘，应该放置在印制电路板的哪个层: A: KeepOutLaye B: TopLaye C: BottomLaye D: MultiLaye
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