???? ????? ??????? ?????? ????? ????
??????? ???? ??? ?? ??? “????? ?? ?????? ???? ??? ??????? ??? ??” ?????? ??? ????? ??????? ? ????? ????? ?? ?????? ??? ???? ???-????? ????? ultrafine pulverizers ???? ?? ????? ?? ? 50 ??? ?????? ???? ?????? (9 ???? ???? ??????? 4 ???? ???? ?????? ?? 44 ?????? ??? ???? ??????? ???) ?????? ????? ?????? ????? ????? ?? ?? ??? ???? ????? ????? ?????? ???? ??? ??? 20% ??? ??? ????? ??? ??? ? 35% ??? ???? ?? ??? ???? ???, ???? ?? ??? ???? ????.
