How to sell and purchase the electric power, how to carry on electrical charge accounting, involve many techniques, economic problems.
发、输、配、用电四方如何销售与购买电能、如何进行电费核算，涉及许多技术、经济问题。
How to sell and purchase the electric power, how to carry on electrical charge accounting, involve many techniques, economic problems.
发、输、配、用电四方如何销售与购买电能、如何进行电费核算，涉及许多技术、经济问题。
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