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SAVOL-JAVOB 31.10.2020 15:41
Ko`mirlar sifatli bo`lsa, nega joylarga etkazilganda sifati o`zgarib qolyapti?
Mazkur savolga "O`zbekko`mir" AJ bosh geologi Erkin Jo`raev javob berdi.Angren ko`mir koni...
SAVOL-JAVOB 31.10.2020 15:41
Mazkur savolga "O`zbekko`mir" AJ bosh geologi Erkin Jo`raev javob berdi.Angren ko`mir koni...
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