TY JOUR TI INVESTIGATION OF VIBROACOUSTIC CHARACTERISTICS OF GAS-PUMPING UNITS OF GTK-10-4 TYPE KW vibroacoustic characteristics KW gas-pumping units KW turbomachine KW noise KW vibration KW noise muffler KW shock absorber JO Bulletin of Bryansk state technical university AU Drokonov , A.. AU Drokonov , A.. PY 2016 IS 2016 PB Bryansk State Technical University