0:00/0:23
倍速
  • x2
  • x1
  • x0.5
举报

Biological research process. Close up of chemist scientist pouring liquid into test samples. Chemical testing panel. Biochemical laboratory research

视  频 ID:  1010043965
版      权:  mrs_veronik
视频长度:  0:23
横纵比率:  16:9
所属分类:  医疗 
商业用途

如何选择