Railway Castings, as key load-bearing components in railway units, have their inner microstructure straight identifying the efficiency and repair lifetime. Metallographic Examination, by revealing the microstructure traits of products, supplies a direct basis for the standard assessment of observe castings. one.Specialized ways of metallographic Evaluation one.one Metallographic Exami... https://socialcreditu.com/post/9248_with-the-development-of-big-data-the-internet-of-things-and-artificial-intellige.html