Engineers and skilled technicians are maintaining machinery. Engineers are working and repairing machines in industrial. Technician holding Measuring pliers. Scale Metal Vernier caliper measuring.
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- 大图:7952 × 5304 像素·67.33 cm × 44.91 cm·300dpi·JPG
- 中图:1000 × 667 像素·35.28 cm × 23.53 cm·72dpi·JPG
- 小图:500 × 334 像素·17.64 cm × 11.78 cm·72dpi·JPG