Adolescent robotics competition held in Xingtai, China's Hebei

Source: Xinhua| 2019-03-02 21:41:49|Editor: Li Xia
Video PlayerClose

CHINA-HEBEI-ADOLESCENT ROBOTICS COMPETITION (CN)

A competitor checks his robot during the competition at Xingtai City, north China's Hebei Province, March 2, 2019. Over 400 students took part in an adolescent robotics competition held in Xingtai. (Xinhua/Tian Xiaoli)

   Prev 1 2 3 4  

KEY WORDS:
EXPLORE XINHUANET
010020070750000000000000011100001378635351
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
亚洲最多视频网址在线观看 | 日本在线精品视频观看 | 亚洲大片在线观看网址 | 久久―日本道色综合久久 | 一区二区国产精品密桃 | 亚洲中文字幕91在线 |