People professionally work at height wash windows. Wash the windows outside on high floor. Professional cleaning agency. Security methods and rules. Safety belt for worker at height
ID: 1674215713
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- 大图:5507 × 1836 像素·46.63 cm × 15.54 cm·300dpi·JPG
- 中图:1000 × 333 像素·35.28 cm × 11.75 cm·72dpi·JPG
- 小图:500 × 167 像素·17.64 cm × 5.89 cm·72dpi·JPG