Mahsulot tavsifi
This presentation covers the basic sources of water supply and their ecological hygiene description including surface waters used for industry and irrigation, underground waters utilized as drinking water
#ekologiya#gigiyena#manbalar#ichimlik suv
Muallif
Sotuvchi 333836Tasdiqlangan muallif
- Hujjatlari
- 136
- Sotilgan
- 5
