成人毛片高清视频观看,成人黄色在线免费观看,av天堂最新手机网址无码窝,一级毛片视频

Shandong provincial contest of World Educational Robot Contest held in Rizhao

Source: Xinhua| 2019-10-27 15:37:31|Editor: Li Xia
Video PlayerClose

CHINA-SHANDONG-RIZHAO-WER-CONTEST (CN)

A participant adjusts a robot during the Shandong provincial contest of the World Educational Robot Contest in Rizhao City, east China's Shandong Province, Oct. 26, 2019. The contest opened in Rizhao City on Saturday, attracting more than 2,600 young participants from home and abroad. The contest is an international event in educational robot industry and invites children and teens from 3 to 18 years old. (Xinhua/Wang Kai)

   Prev 1 2 3 4 Next  

KEY WORDS:
EXPLORE XINHUANET
010020070750000000000000011100001385069151