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各位大大 NC NP NU我见过 NI是个啥意思 也是不放置吗？
也是在线路原理图上看到的这个字眼吗？那就是理解的这个意思 NI = Not install
在这里看到的~~ 既然不放，那画出来干啥？
可能是个预留功能
