| |||
single welded (М. Ефремов) | |||
series welding (точечная или роликовая); indirect welding | |||
| |||
series welding | |||
| |||
indirect welding | |||
| |||
series welding |
односторонняя сварка: 8 phrases, 5 sujets |
Construction navale | 1 |
Ingénierie électrique | 1 |
Pétrole et gaz | 1 |
Soudage | 3 |
Technologie | 2 |