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Scientist working in laboratory with biological material IVF procedure - embryologist prepare sperm in test tube for centrifugation and measure ph.

视  频 ID:  22695472
版      权:  Pavel_dp
视频长度:  0:18
横纵比率:  16:9
所属分类:  科学 医疗 
商业用途(模特授权书存在站酷海洛)

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