Excuse me, which version of the textbook is used in the mechanical design and mechanical principle of Wuhan University of Technology?
839 Mechanical Design Mechanical Design, Huang Hualiang Higher Education Press August 2002 840 Basis of Control Engineering Yang Heping Peking University Press August 2007 84 1 Mechanical Principles (7th Edition) People's Education Press 2008 Mechanical Principles (7th Edition).