Research on the project using peak-valley electricity price to reduce the operation power charge has active significance.
南水北调东线一期工程抽水用电量大，研究东线工程利用峰谷电价减少工程运行电费具有积极意义。
Research on the project using peak-valley electricity price to reduce the operation power charge has active significance.
南水北调东线一期工程抽水用电量大，研究东线工程利用峰谷电价减少工程运行电费具有积极意义。
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