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| DC arc | |||
| direct-current arc | |||
| direct current arc | |||
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直流电弧 : 42 phrases in 9 subjects |
| Architecture | 1 |
| Aviation | 1 |
| Construction | 1 |
| Metallurgy | 31 |
| Oil / petroleum | 1 |
| Shipbuilding | 1 |
| Space | 1 |
| Technology | 4 |
| Thermal Energy | 1 |
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