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Smart Schoolboy Builds / Constructs Small Robot and Uses Laptop to Program Software for Robotics Engineering Class. Elementary School Science Classroom with Gifted Children Working with Technology

视  频 ID：  1040916686
版      权：  Gorodenkoff
视频长度：  0:14
横纵比率：  16:9
所属分类：  人物 教育 
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