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| gas insulated switchgear (на э. подстанциях / at power substations denghu) | |||
| SF6 gas insulated switchgear (Turbulentny) | |||
| элегазовое распределительное устройство: 26 phrases in 9 subjects |
| Caspian | 1 |
| Electrical engineering | 10 |
| Electronics | 2 |
| Energy system | 2 |
| Makarov | 2 |
| Power lines | 3 |
| Sakhalin | 1 |
| Technology | 3 |
| Tengiz | 2 |