Power line inspectors complete test flight

Updated: 2012-11-22 10:36

(chinadaily.com.cn)

  Comments() Print Mail Large Medium  Small 分享按钮 0

Power line inspectors complete test flight

Researchers from the State Grid Corp of China examine a power transmission line inspection drone in Northwest China's Qinghai province on Nov 21, 2012. The drones conducted test flights in a high altitude area of 4,500 meters in Qinghai province several days ago. [Photo/Xinhua] 

Previous Page 1 2 3 4 Next Page