0:00/0:30

The student reports at the conference at the blackboard. Graphic dependencies represented on the board. He describes economic indicators of the industry.

视  频 ID:  16185283
版      权:  ARTEM PETRYSHCHEV
视频长度:  0:30
横纵比率:  16:9
所属分类:  商业/金融 教育 
商业用途(模特授权书存在站酷海洛)

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