Railway Castings, as critical load-bearing components in railway methods, have their interior microstructure specifically pinpointing the general performance and service lifestyle. Metallographic Assessment, by revealing the microstructure features of components, provides a immediate foundation for the quality evaluation of track castings. one.Technical methods of metallographic Asses... https://www.geto.space/post/72623_with-the-development-of-big-data-the-internet-of-things-and-artificial-intellige.html