 |
| |||
| double butt weld | |||
| |||
| double V butt joint | |||
| double-vee weld | |||
| х-образный стыковой сварной шов: 5 phrases in 3 subjects |
| Construction | 1 |
| Nautical | 2 |
| Technology | 2 |
|
| |||
| double butt weld | |||
| |||
| double V butt joint | |||
| double-vee weld | |||
| х-образный стыковой сварной шов: 5 phrases in 3 subjects |
| Construction | 1 |
| Nautical | 2 |
| Technology | 2 |