1. International Department of Shandong Experimental High School, Jinan, Shandong 250001, China
2. Ningbo Key Laboratory of Advanced Seal, School of Mechatronics and Energy Engineering, NingboTech University, Ningbo, Zhejiang 315100, China
3. Key Laboratory of High Efficiency and Clean Mechanical Manufacture of Ministry of Education, School of Mechanical Engineering, Shandong University, Jinan, Shandong 250061, China