德国以系列标准 DIN 670 0及欧洲专业基础标准 CEN TC 1 2 1作为对铁道机车车辆焊接质量要求的基础。介绍了零部件的分类、焊接的质量要求以及原民德和联邦铁路合并成私有化的联邦铁路总局后采用的新技术规程以及新、旧规程过渡时期的过渡规程。 Germany based on the series of standards DIN 670 0 and the European professional basic standards CEN TC 1 2 1 as the basis for the welding quality requirements of railway rolling stock. Introduced the classification of components, welding quality requirements and the new technical regulations adopted after the merger of the former Medibank and Federal Railways into a privatized Federal Railway Administration and the transitional regulations for transitional periods between new and old regulations.