Covering an area of the world's largest electric power system is a unified energy system of the former Soviet Union.

世界上覆盖面积最大的电力系统是前苏联的统一电力系统。

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Covering an area of the world's largest electric power system is a unified energy system of the former Soviet Union.

世界上覆盖面积最大的电力系统是前苏联的统一电力系统。

youdao