[KongchangAI]
Unverified80% confidenceCautionTime unknown

电压仅偶尔轻微波动(220V±10%内)的城市市电,不建议加装稳压器,现代开关电源类电器(电脑、电视、手机充电)本身宽压设计,额外的稳压器反而增加故障点和待机损耗

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