单面板中用来布线和焊接元件的工作层是( )。 -题库考试答案搜索网

单面板中用来布线和焊接元件的工作层是( )。

单选题

2022-04-02 00:45

A、顶层(TopLayer)
B、底层(Bottom Layer)
C、禁止布线层(Keepout Layer)
D、多层(MultiLayer)

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正确答案

B

试题解析

标签：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

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