Closeup shot of orange red reagent in glass volumetric cylinder poured in beaker by scientist in white lab coat and rubber gloves hands who stand behind table full of colorful solution in laboratory.
ID: 1955258170
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- 大图:6552 × 4036 像素·55.47 cm × 34.17 cm·300dpi·JPG
- 中图:1000 × 616 像素·35.28 cm × 21.73 cm·72dpi·JPG
- 小图:500 × 308 像素·17.64 cm × 10.87 cm·72dpi·JPG