我喜欢面对面的交流英文翻译成英文
I would like to chat in English face to face.
交流电和直流电对人体的安全电流与电压各为多少?用英文字母怎么表示?
直流用DC表示;交流用AC表示;人体的 安全电流是相对直流而言:50mA叫做摆脱电流,30mA叫做安全电流!36V是安全电压,在潮湿及特殊环境中的安全电压是12V!对于交流,就没有明确的记录了!


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