In order to improve the welding efficiency and welding quality of metal materials,emphasis was placed on the welding methods,welding materials,and key welding processes for non alloy steel,alloy steel,cast iron,and non-ferrous metals.Mastering the welding process of different metal materials is of great help to the development of new special materials welding and welding automation intelligence.
NETL
NSTL
万方数据
