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11 betPPTX117 ko'rildi0 marta sotilgan
4 500 so'm
Hasan Husan
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Tavsif

This book discusses water quality improvement methods in desert conditions including water filtration, chemical disinfection processes, and biological purification technologies

Hujjat haqida

Kategoriya
Taqdimotlar | Biologiya
Format
PPTX
Hajmi
11 bet
Fayl hajmi
1.71 MB
Muallif
Hasan Husan
Qo'shilgan
28.02.2026

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