Engineer wearing safety unifrom and helmet under checking fire alarm emergency system in industry factory and exit door is factory security protection concept.
ID: 2020264679
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- 大图:8288 × 4950 像素·70.17 cm × 41.91 cm·300dpi·JPG
- 中图:1000 × 597 像素·35.28 cm × 21.06 cm·72dpi·JPG
- 小图:500 × 299 像素·17.64 cm × 10.55 cm·72dpi·JPG