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реле резервирования отказа (выключателя translator911) | |||
реле повреждения |
failure relay : 14 phrases in 8 subjects |
Automated equipment | 1 |
Construction | 1 |
Electrical engineering | 1 |
Electronics | 2 |
Power system protection | 2 |
Rail transport | 1 |
Sakhalin | 1 |
Technology | 5 |