Drones used to do pollination in north China

Source:Xinhua| 2018-04-09 19:27:54|Editor: Mengjie
Video PlayerClose

#CHINA-HEBEI-DRONE-POLLINATION (CN)

Workers add liquid pollen into a drone to do pollination for pear trees in Botou City, north China's Hebei Province, April 9, 2018. Drones were used to do pollination for large scale of pear trees here for the first time in replace of artificial ways, which improved the efficiency and also saved the labor force. (Xinhua/Fu Xinchun)

   Prev 1 2 3  

KEY WORDS: pollination
EXPLORE XINHUANET
010020070750000000000000011100001370981611
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
婷婷色制服中文字幕 | 人妖视频一区二区三区 | 久久国产精品湿香蕉网 | 在线观看免费人成视频色 | 亚洲国产精品久久久久久网站 | 五月亭亭在线观看 |