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| armar para os relés elementares; operar para os relés elementares | |||
| 动作: 36 phrases in 10 subjects |
| Automatic control | 3 |
| Brazil | 1 |
| Construction | 1 |
| Electric machinery | 2 |
| Electronics | 1 |
| International Monetary Fund | 12 |
| Mathematics | 1 |
| Nuclear physics | 2 |
| Power system protection | 12 |
| Statistics | 1 |