perform ndt vt pt mt ut in a heavy welding department with migmag manual process to ensure that the non-destruction material check is done according to the internal and external standards
在重型焊接车间进行无损检测、无损检测、无损检测，确保材料无损检测符合内外部标准
以上为机器翻译结果，长、整句建议使用 人工翻译 。