connected city concept a wireless business network connecting offices in the business skyscrapers
ID: 1222651807
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- 大图:2625 × 1650 像素·22.23 cm × 13.97 cm·300dpi·JPG
- 中图:1000 × 629 像素·35.28 cm × 22.19 cm·72dpi·JPG
- 小图:500 × 315 像素·17.64 cm × 11.11 cm·72dpi·JPG