With the power efficiency plan in American California public utility company as an example, the cost benefit analysis is clearly explained.
利用美国加州公用事业公司实行电力能效计划的数据具体说明成本效益分析。
With the power efficiency plan in American California public utility company as an example, the cost benefit analysis is clearly explained.
利用美国加州公用事业公司实行电力能效计划的数据具体说明成本效益分析。
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