Railway Castings, as essential load-bearing factors in railway devices, have their inner microstructure right analyzing the overall performance and repair existence. Metallographic Evaluation, by revealing the microstructure characteristics of elements, gives a immediate basis for the standard assessment of monitor castings. one.Specialized ways of metallographic Evaluation one.one Me... https://friendstrs.com/post/166385_with-the-development-of-big-data-the-internet-of-things-and-artificial-intellige.html