中文字幕无码久久人妻_中国无码a一级刺激片_国产综合色产在线观看_色多黄片资源2020

Fire-spewing drone cleans garbage on power lines in Chongqing

Source: Xinhua| 2019-01-17 20:52:25|Editor: Yang Yi
Video PlayerClose

CHINA-CHONGQING-DRONE (CN)

A flame-spurting drone is seen during a demonstration in Chongqing, southwest China, Jan. 16, 2019. The drone was developed by Chongqing's Yongchuan company of the State Grid corporation to help clear harmful obstacles hanging on overhead wires. (Xinhua/Liu Chan)

   Prev 1 2 3  

KEY WORDS:
EXPLORE XINHUANET
010020070750000000000000011100001377521871