技术专栏
通孔问题
5***1A
252
1
<img src=‘/uploadfiles/image/20210723/1627043011516012709.png’ title=‘1627043011516012709.png’ alt=‘image.png’/><br />PCB图显示存在通孔,为什么制作出来<br /><img src=‘/uploadfiles/image/20210723/1627043150544042465.png’ title=‘1627043150544042465.png’ alt=‘image.png’/>