An electric network for of clear layer, simple structure, standard connection, rational redundancy and appropriate advance technology is set up, "N-1" standard of city network is realized.
建立层次清晰、结构简单、接线规范、冗余度合理、技术适度超前的电网框架，实现城市电网“N - 1”准则。
An electric network for of clear layer, simple structure, standard connection, rational redundancy and appropriate advance technology is set up, "N-1" standard of city network is realized.
建立层次清晰、结构简单、接线规范、冗余度合理、技术适度超前的电网框架，实现城市电网“N - 1”准则。
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