国产一级免费电影,国产自产在线视频一区,国产一区亚洲,久久国产精品视频,日本美女天天操b,九色激情,成年轻人网站色直接看

2018 China VEX Robotics Competition held in Shanghai

Source: Xinhua| 2018-11-03 21:34:49|Editor: Lu Hui
Video PlayerClose

CHINA-SHANGHAI-VEX ROBOTICS COMPETITION (CN)

A contestant attends the 2018 China VEX Robotics Competition, which is also the qualification trials of VEX Robotics World Championship 2018, at Shanghai Jiao Tong University in Shanghai, east China, Nov. 3, 2018. Nearly 2,000 students across the country participated in the trials. (Xinhua/Liu Ying)

   Prev 1 2 3 4  

KEY WORDS: Robotics
EXPLORE XINHUANET
010020070750000000000000011102351375796591