Butane molecule in 3D style. C4H10 illustration isolated on a dark grey background. Scientific educational and popular-scientific concept.
ID: 1379341052![复制](//static.hellorf.com/hellorf/_next/images/copy.svg)
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- 大图:5823 × 4725 像素·49.3 cm × 40.01 cm·300dpi·JPG
- 中图:1000 × 811 像素·35.28 cm × 28.61 cm·72dpi·JPG
- 小图:500 × 406 像素·17.64 cm × 14.32 cm·72dpi·JPG