特别在城市中，由于电网结构的调整和城市规划的要求，电缆线路不断增加。
Especially in cities, for the requirement of network structure adjustment and city planning, the mount of cable line increases continuously.
对目前城市配电网中常见的架空线路网络结构和电缆线路网络结构进行了较为全面的分析。
It analyzed the structure of overhead network and cable line which are common in the city's distribution network.
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