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нижняя сварка; сварка в нижнем положении | |||
сварка на спуск; сварка сверху вниз | |||
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нижнее положение шва |
平 焊 : 54 phrases in 12 subjects |
Construction | 6 |
Electronics | 7 |
General | 10 |
Mechanic engineering | 2 |
Medical | 2 |
Microelectronics | 2 |
Nautical | 1 |
Oil / petroleum | 2 |
Oil and gas | 1 |
Oil processing plants | 1 |
Technology | 18 |
Welding | 2 |