因课题组硕士生冯静娅暑期实习，由课题组硕士生王旭岑代表其参加了于7月10-12日在西安举办的9th International Conference on Compressors and Refrigeration, 2019(ICCR 2019)会议，并就论文”Research on Pressure Distribution and Thermal Expansion of Piston Ring in High Pressure Oil-free Compressor”进行了汇报。