Зэвэрдэггүй ган гагнахад ямар төрлийн электрод ашигладаг вэ?Зэвэрдэггүй
Welding is a process in which the materials of the workpieces to be welded (the same or different) are combined by heating or pressure or both, and with or without filling materials, so that the materials of the workpieces are bonded between atoms to form a connection. So what are the key points...