Two wooden gears of different sizes on a bright colored background. The concept of interaction efficiency complex mechanisms.
ID: 2093045581
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- 大图:4071 × 2713 像素·34.47 cm × 22.97 cm·300dpi·JPG
- 中图:1000 × 666 像素·35.28 cm × 23.5 cm·72dpi·JPG
- 小图:500 × 333 像素·17.64 cm × 11.75 cm·72dpi·JPG