1. School of Mechanical Engineering, Wanjiang University of Technology, Ma’anshan 243031, China
2. School of Automotive Engineering, Weifang Vocational College, Weifang 262737, China
3. Office of Academic Affairs, Xuancheng Vocational and Technical College, Xuancheng 242000, China
4. Engine Engineering Research Institute, Chery Automobile Co., Ltd., Wuhu 241006, China