交流和直流安全电压为什么一个是36v一个是120v另外，相同电压等级的交流和直流对绝缘电阻的要求？知乎 Sketch Coloring Page

交流和直流安全电压为什么一个是36v一个是120v另外，相同电压等级的交流和直流对绝缘电阻的要求？知乎 Template

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