cw1 发表于 2016-11-30 08:25 尽量用通孔，通孔旁边keep out区域不能太窄。 另外孔周围要有地孔，便于参考地的换层。
Undo
Redo
Table
Removeformat
Autotypeset Left Center Right
FloatLeft FloatRight Orderedlist Unorderedlist
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