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| double-sided welding; two-way welding | |||
| both-side welding | |||
| two-side welding | |||
| dual welding (сварка труб изнутри и снаружи Johnny Bravo) | |||
| двусторонняя сварка: 14 phrases in 7 subjects |
| Construction | 2 |
| Electrical engineering | 2 |
| Metallurgy | 4 |
| Oil / petroleum | 1 |
| Oilfields | 1 |
| Technology | 1 |
| Welding | 3 |