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| 继电器暂时故障 用于基础继电器; 继电器故障 用于基础继电器 | |||
| relay fault: 15 phrases in 8 subjects |
| Construction | 1 |
| Electronics | 5 |
| General | 1 |
| Hydroelectric power stations | 2 |
| Metallurgy | 1 |
| Rail transport | 1 |
| Technology | 3 |
| Wind Energy | 1 |
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