This lamp is the sources of energy with monocrystalline silicon solar energy cell or polycrystalline silicon solar energy cell;

该灯以单晶硅太阳能电池或多晶硅太阳能电池为能源；

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This lamp is the sources of energy with monocrystalline silicon solar energy cell or polycrystalline silicon solar energy cell;

该灯以单晶硅太阳能电池或多晶硅太阳能电池为能源；

youdao