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commutating magnetic-field : 153 phrases in 10 subjects |
| Electric machinery | 74 |
| Electronics | 15 |
| General | 1 |
| Hydroelectric power stations | 1 |
| Information technology | 1 |
| Metallurgy | 9 |
| Oil / petroleum | 1 |
| Rail transport | 6 |
| Shipbuilding | 4 |
| Technology | 41 |
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