Steel pipes with thermal insulation in the shell of a plastic pipe at a construction site closeup. Heat-insulated steel pipes for laying heating sewerage. Installation of a heating system in the city
ID: 1517269028
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- 大图:5452 × 3635 像素·46.16 cm × 30.78 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