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PCB设计中电路板的标注尺寸、边框等信息所用工作层是( )。

A、TopLayer顶层

B、Mechanical layer机械层

C、Silkscreen丝印层

D、BottomLayer底层

时间：2022-04-02 00:45 关键词：大连工业大学机电一体化技术高起专计算机辅助设计Autocad 作业21

答案解析

B

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