久久亚洲国产成人影院-久久亚洲国产的中文-久久亚洲国产高清-久久亚洲国产精品-亚洲图片偷拍自拍-亚洲图色视频

US EUROPE AFRICA ASIA 中文
China / China

Mini power station provides self-sufficiency

(chinadaily.com.cn) Updated: 2010-10-12 10:22

Mini power station provides self-sufficiency

Zha Yongqing, a middle school teacher in Wuyuan county, East China’s Jiangsu province, explains how solar energy is converted to electricity and heat, to his students beside the solar panels on the roof of the classroom, Oct 10, 2010. A solar power station was installed and began supplying power from the top of the teaching buildings on Sunday. The total investment of the station is 12 million yuan ($1.8 million), and it is expected to reach an annual generation capacity of 800,000 kWh, meeting the school’s power demand. [Photo/Xinhua]

Previous Page 1 2 3 Next Page

Highlights
Hot Topics

...
主站蜘蛛池模板: 欧美特级特黄a大片免费 | 亚洲欧美在线免费 | 亚洲性xo| 久久99精品这里精品3 | 国产精品亚洲精品爽爽 | 日韩经典欧美精品一区 | 老司机亚洲精品影院 | 久久久精品影院 | 日韩欧美亚洲国产 | 91精品国产欧美一区二区 | 亚洲日本一区二区三区高清在线 | 久久中文字幕综合不卡一二区 | 久草视频中文在线 | 亚洲免费国产 | 欧美xxxx色视频在线观看 | 成年人免费观看视频网站 | 日韩午夜 | 久久精品视频久久 | 国产精品嘿咻嘿咻在线播放 | 成年性午夜免费视频网站不卡 | 特级a欧美孕妇做爰片毛片 特级a欧美做爰片毛片 | 99在线在线视频免费视频观看 | 日韩特级黄色片 | 三级视频在线观看 | 国产精品久久久久久久久免费hd | 精品国产区一区二区三区在线观看 | 伊人久久精品午夜 | 91青草久久久久久清纯 | 97超在线 | 精品在线观看免费 | 免费国产黄网站在线观看视频 | 亚洲天堂2015| 久久久成人影院 | 亚洲a人| 国产午夜精品久久理论片 | 国产成人ay手机在线观看 | 男女男在线精品网站免费观看 | 欧美一级成人免费大片 | 一级毛片黄片 | 玖玖玖视频在线观看视频6 玖玖影院在线观看 | 精品一区二区影院在线 |