The original engine is used for anatomical surface treatment to fully display the internal structure of the engine. It is also possible to install a manual transmission anatomical part, original matching, suitable for the teaching principle of the automobile engine and the teaching of the mechanical mechanism, directly showing the working process of the engine, the components of the Operation, and construction and installation of various components. It is convenient to indicate its mechanical mechanism and principle, and to provide a clear standard reference for learning the disassembly, repair, inspection, judgment and elimination of mechanical failure of automobile engines....