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х-образный стыковой сварной шов |
double butt weld: 31 phrases in 11 subjects |
Automated equipment | 2 |
Construction | 3 |
Electrical engineering | 2 |
Mechanic engineering | 2 |
Metallurgy | 5 |
Nautical | 8 |
Plastics | 1 |
Shipbuilding | 1 |
Technology | 4 |
Transport | 1 |
Welding | 2 |