1. State Key Laboratory of Fluid Power and Mechatronic Systems, College of Mechanical Engineering, Zhejiang University, Hangzhou, People’s Republic of China
2. Key Laboratory of 3D Printing Process and Equipment of Zhejiang Province, College of Mechanical Engineering, Zhejiang University, Hangzhou, People’s Republic of China
3. School of Mechanical Engineering & Mechanics, Ningbo University, Ningbo, People’s Republic of China