electric mine

例句：

1. 1. The electricmine is a crucial source of energy forthe city.
   这个电力矿山是城市的重要能源来源。
2. 2. The electric mine has been producing electricityfor over a century.
   这个电力矿山已经生产电力超过一个世纪了。
3. 3. The electric mineis being developed to increase the efficiency ofthe power grid.
   这个电力矿山正在被开发，以提高电网的效率。