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Далангийн ЭКО Хавmан DWG
Drinking-Water Treatment Project [DWG]
![Drinking-Water Treatment Project [DWG]](https://1.bp.blogspot.com/-foCtp-pHZSk/YDF9i9qu-bI/AAAAAAAAEE0/573oZyXqfkMMbdK39FZcdf02-jQKreNUQCLcBGAsYHQ/s1600/Drinking-Water%2BTreatment%2BProject%2B%255BDWG%255D.png)