| 1. | Non - destructive testing of welds - penetrant testing of welds - acceptance levels 焊缝的无损检验.焊缝的渗透检验.验收等级 |
| 2. | Non - destructive examination of welds - penetrant testing of welds - acceptance levels 焊接的无损检验.焊缝的渗透检验.验收水平 |
| 3. | Non - destructive examination of welds - penetrant testing of welds - acceptance levels 焊接的无损检验.焊接的超声波探检验.验收等级 |
| 4. | Non - destructive testing of welds - magnetic particle testing of welds - acceptance levels 焊缝的无损检验.焊缝的磁粉检验.验收等级 |
| 5. | Non - destructive testing of welds - magnetic particle testing of welds - acceptance levels 焊缝的无损检验.焊缝的磁粉检验.验收等级 |
| 6. | Non - destructive examination of welds - magnetic particle testing of welds - acceptance levels 焊接的无损检验.焊缝的磁粉检验.验收水平 |
| 7. | Non - destructive examination of welds - ultrasonic examination of welded joints - acceptance levels 焊接无损检验.焊点超声检测.验收水平 |
| 8. | Non - destructive testing of welds - ultrasonic testing of welded joints - acceptance levels 焊缝的无损检验.焊接接头的超声波检验.验收等级 |
| 9. | 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 |
| 10. | Non destructive examination of welds . ultrasonic examination of welded joints . acceptance levels 焊接的无损检验.焊接接头的超声波检验.验收水平 |