Aerial photo of heliostats of molten-salt solar thermal power plant in China's Gansu

Source: Xinhua| 2019-10-24 22:14:27|Editor: Yurou
Video PlayerClose

CHINA-GANSU-DUNHUANG-SOLAR POWER-HELIOSTAT-CLEANING (CN)

Workers clean heliostats for a molten-salt solar thermal power plant in Dunhuang, northwest China's Gansu Province. (Xinhua/Ma Ning)

   Prev 1 2 3 4  

KEY WORDS:
YOU MAY LIKE
EXPLORE XINHUANET
010020070750000000000000011100001385000311
国产无码在线观看免费在线,37pao国产成视频,日韩一区二区视频在线,国产国产人免费人成免费视频麻豆
亚洲特殊视频在线 | 日本一区喷水精品视频 | 亚洲色精品三区二区一区 | 中文字幕亚洲2020在线 | 日本免费爽视频 | 一本一久本久a久久精品 |