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Turn on the power switch, power indicator light.
打开电源开关，电源指示灯亮。
youdao
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Electricity, power generation, indicator light with loading conditions.
市电，发电，带载状态指示灯。
youdao
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Electricity, power generation, indicator light with loading conditions.
市电，发电，带载状态指示灯。
youdao