Authors
Yanhong Sun
College of Mechanical Engineering, Jilin Engineering Normal University, Changchun Jilin, China
Mei Tian
College of Mechanical Engineering, Jilin Engineering Normal University, Changchun Jilin, China
© 2018 Yanhong Sun, Mei Tian, published by Xi’an Technological University
This work is licensed under the Creative Commons Attribution 4.0 License.