TY JOUR TI INFLUENCE OF OPERATING MODES OF FOREST FIRE SOIL-THROWING MACHINE WITH HYDRAULIC DRIVE ON EFFICIENCY INDICATORS KW soil-throwing machine KW energy-saving hydraulic drive KW distance of soil throwing KW hydraulic motor KW hydraulic accumulator JO Forestry Engineering Journal AU Popikov, P.I. AU Popikov, V.P. AU Sharov, A.V. AU Petkov, A.F. AU Pozdnyakov, A.K. PY 2020 IS 10 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov