IoT or Internet of thing concept with Businessman point to smartphone and IoT icon in coffe shop.
ID: 1519431017
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- 大图:5221 × 3481 像素·44.2 cm × 29.47 cm·300dpi·JPG
- 中图:1000 × 667 像素·35.28 cm × 23.53 cm·72dpi·JPG
- 小图:500 × 334 像素·17.64 cm × 11.78 cm·72dpi·JPG