Internet of things concept. Businessman pointing the text IOT button on virtual screens.
ID: 721299454
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- 大图:8000 × 3673 像素·67.73 cm × 31.1 cm·300dpi·JPG
- 中图:1000 × 459 像素·35.28 cm × 16.19 cm·72dpi·JPG
- 小图:500 × 230 像素·17.64 cm × 8.11 cm·72dpi·JPG