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电焊机; 电弧焊机 | |||
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电弧焊机 | |||
弧焊机 | |||
电弧焊机; 电弧焊接供电源; 电焊工; 电弧焊机 | |||
电焊机 | |||
交直两用弧焊 |
arc-welder : 54 phrases in 10 subjects |
Architecture | 1 |
Automobiles | 1 |
Chemistry | 2 |
Electric machinery | 1 |
Electronics | 7 |
General | 1 |
Metallurgy | 9 |
Oil / petroleum | 3 |
Shipbuilding | 2 |
Technology | 27 |