据统计,我国每年大约有百分之十二的电能是消耗在照明上,而城市路灯照明系统的耗电量是其中相当大的一部分。
According to statistics, every year there are about 12 percent of electricity is consumed by lighting in China, and power consumption of the city street light lighting system is a quite major part.
据统计,我国每年大约有百分之十二的电能是消耗在照明上,而城市路灯照明系统的耗电量是其中相当大的一部分。
According to statistics, every year there are about 12 percent of electricity is consumed by lighting in China, and power consumption of the city street light lighting system is a quite major part.
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