机译:不对称油膜力的碰摩转子系统动力学分析
College of Mechanical Science and Engineering Northeast Petroleum University Daqing 163318 P.R.China;
School of Mechatronics Engineering and Automaton Shanghai University Shanghai 200072 P.R.China;
Downhole Oneration Branch.Daaina Oilfield Corp.Ltd Daqing 163318 P.R.China;