0:00/0:12
倍速
  • x2
  • x1
  • x0.5
举报

Closeup of student demonstrating mini tesla coil generating wireless power excitingly lighting up small light bulbs through electromagnetic induction experimenting with electricity and physics.

视  频 ID：  3968655117
版      权：  brodski
视频长度：  0:12
横纵比率：  16:9
所属分类：  科学 教育 
商业用途（模特授权书存在站酷海洛）
如何选择
授权授权书发票合同问题