But using renewable energy to power electric vehicles will cut down on the carbon emissions created in the process.
但使用可再生能源为电动汽车提供动力，将减少汽车行驶过程中产生的碳排放。
In order to reduce the power cut off which caused by electric shock accident and earth-fault power cut off, it must install residual current operated protective device.
低压供用电系统中为了减少发生人身电击事故和接地故障切断电源时引起的停电，必须加装剩余电流动作保护装置。
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