搜索 - 科创

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在高压包上绕初级的时候，从针脚方向看，电流应该是顺时针还是逆时针？这会影响到次级地极性吧，如果高压包自带整流，会不会因为极性反了没有电流？求解答。

做好了笔记本电源，电压电流都达标了，但是接上电脑没反应。好像是因为电源线上有一根细的线没有接通的原因。谁知道这根线要怎么处理的？我的是HP的笔记本

有没有大佬知道这个盖革管端窗上银灰色的东西是什么啊，清洁管身的时候不小心擦掉一点，漏出了透明的云母端窗，有什么影响没，还是说需要全部擦掉？

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