0:00/0:19
倍速
  • x2
  • x1
  • x0.5
举报

Trainer teaching medical skills on a mannequin. Instructor showing practical methods for giving first aid on a dummy. Healthcare and medical concept.

视  频 ID：  1067166376
版      权：  Vadim Terelyuk
视频长度：  0:19
横纵比率：  16:9
所属分类：  人物 医疗 
商业用途
如何选择
授权授权书发票合同问题