Scientist working with test tube in laboratory, science research and development concept.

Scientist or medical in lab coat holding test tube with reagent, mixing reagents in glass flask, glassware containing chemical liquid, laboratory research and testing.

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圖片庫的Scientist or medical in lab coat holding test tube with reagent, mixing reagents in glass flask, glassware containing chemical liquid, laboratory research and testing. 圖片 Image 166729639.

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Scientist Or Medical In Lab Coat Holding Test Tube With Reagent, Mixing Reagents In Glass Flask, Glassware Containing Chemical Liquid, Laboratory Research And Testing. 免版權照片，圖片，畫像及圖片庫. Image 166729639.

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Scientist or medical in lab coat holding test tube with reagent, mixing reagents in glass flask, glassware containing chemical liquid, laboratory research and testing.

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