Shigang Wang
School of Mechanical Engineering, Qiqihar University, Qiqihar 161006, Heilongjiang, China
Fengjuan Wang
School of Mechanical Engineering, Qiqihar University, Qiqihar 161006, Heilongjiang, China
Xianfeng Du
School of Mechanical Engineering, Qiqihar University, Qiqihar 161006, Heilongjiang, China