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| 正常电流 | |||
| normal current: 11 phrases in 8 subjects |
| Business | 1 |
| Economy | 1 |
| Electric machinery | 1 |
| Electronics | 1 |
| Geophysics | 1 |
| Information technology | 1 |
| Metallurgy | 2 |
| Technology | 3 |
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