TY CONF TI THE DRAWBACKS OF THE LUBRICATION SYSTEMS OF THE CREST WHEELSET OF THE LOCOMOTIVE KW the crest rail KW a lubricant KW a pair of wheels KW grabmessage rod JO Ensuring and improving the quality of engineering and aerospace products AU Shalygin, M.G. AU Vashchishina, A.P. PY 2024 PB Bryansk State Technical University