光照相检验 meaning in Chinese

radiographic inspection x

Non - destructive testing of welds - radiographic testing of welded joints
焊缝的无损检验.焊接接头的x光照相检验
Non - destructive testing of welds - radiographic testing of welded joints - acceptance levels
焊缝的无损检验.焊接接头的x光照相检验.验收等级
Non - destructive testing of welds - radiographic testing of welded joints ; german version en 1435 : 1997 a1 : 2002
焊缝的无损检验.焊接接头的x光照相检验;德文版本en