1. School of Mechanical Engineering, Shandong University, 17923 Jingshi Road, Jinan, China
2. Engineering and Technology Research Center for Special Equipment Safety of Shandong Province, 17923 Jingshi Road, Jinan, China
3. Research Center of Safety Guarantee and Assessment to Special Equipment, Shandong University, 17923 Jingshi Road, Jinan, China
4. Key Laboratory of High Efficiency and Clean Mechanical Manufacture of Ministry of Education, 17923 Jingshi Road, Jinan, China