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Modern Electronics Research Facility: Black Female Engineer Works on Computer with CAD 3D Design Software. Scientists Develop Industrial PCB Silicon Microchips Semiconductors. High Angle View

视  频 ID：  1065341980
版      权：  Gorodenkoff
视频长度：  0:09
横纵比率：  16:9
所属分类：  人物 运动 
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