国产热热热精品,亚洲视频久久】日韩,三级婷婷在线久久,99人妻精品视频,精品九热人人肉肉在线,AV东京热一区二区,91po在线视频观看,久久激情宗合,青青草黄色手机视频

Chengbei Transformer Station, the first 500-kv transformer station, whirred into action in north Beijing in June 2006.

Four other similar transformer stations will also be built by the end of 2007 to ensure an adequate electricity supply for the capital during the Olympic Games, sources said.

Both of the two transformer stations are funded and constructed by the North China Grid Company Ltd.

The head of the company Sun Gang said that the transformer stations would not only help meet the power demand during the Olympics, but also further improve the power networks of Beijing.