Chemical test tube Chemical experiment with laboratory glass laboratory glassware hang on stand with microscope on a black background.Glass test tube in a chemical laboratory.Experiment with research.
ID: 1372357706
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- 大图:11140 × 5768 像素·94.32 cm × 48.84 cm·300dpi·JPG
- 中图:1000 × 518 像素·35.28 cm × 18.27 cm·72dpi·JPG
- 小图:500 × 259 像素·17.64 cm × 9.14 cm·72dpi·JPG