Repairing process of underground water supply pipeline. Blue plastic tubes in trench welded together with plastic pipes with joint member and screw flange.
ID: 1203252601
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- 大图:5200 × 3904 像素·44.03 cm × 33.05 cm·300dpi·JPG
- 中图:1000 × 751 像素·35.28 cm × 26.49 cm·72dpi·JPG
- 小图:500 × 376 像素·17.64 cm × 13.26 cm·72dpi·JPG