2EN 15085-3-2007. Railway applications Welding of railway vehi- cles and components-Part 3: Design requirements[S].EUROPEAN COMMITrEE FOR STANDARDIZATION,2007.
3ISO 10042-2005. Welding-Arc-welded joints in aluminium and its alloys-Quality levels for imperfections [S].EUROPEAN COMMI'I*FEE FOR STANDARDIZATION,2005.