TY JOUR TI METHODS OF INCREASING THE WEAR RESISTANCE OF THE WORKING BODIES OF A ROTARY-VORTEX MILL KW working bodies (bila) KW wear resistance KW rotary-vortex mill KW wear KW surfacing JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Romanovich, A.A. AU Duhanin, S.A. AU Romanovich, M.A. PY 2022 IS 7 PB Belgorod State Technological University named after V.G. Shukhov