Conceptual hand writing showing Technological Innovation. Business photo text New Invention from technical Knowledge of Product Businessman Smiling and Pointing Calendar with Star on Wall.
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- 大图:7000 × 7000 像素·59.27 cm × 59.27 cm·300dpi·JPG
- 中图:1000 × 1000 像素·35.28 cm × 35.28 cm·72dpi·JPG
- 小图:500 × 500 像素·17.64 cm × 17.64 cm·72dpi·JPG