中文幕亚洲精品乱码色偷偷亚_国产午夜性爽视频男人的天堂_欧美高潮流白浆喷水在线观看_亚洲夜色久一久二亚洲琪琪卡一卡二_暖暖亚洲一区二区三区AV无码

Gansu division of 18th China Adolescent Robotics Competition kicks off

Source: Xinhua| 2018-04-13 20:23:37|Editor: Yurou
Video PlayerClose
CHINA-GANSU-ADOLESCENT-ROBOT-COMPETITION(CN)

Competitors take part in the contest of the Gansu division of 18th China Adolescent Robotics Competition in Yongjing County, northwest China's Gansu Province, April 13, 2018. Sixteen teams attended the contest here on Friday. (Xinhua/Chen Bin)

   1 2 3 4 Next  

KEY WORDS: China
EXPLORE XINHUANET