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管 式 | 避雷器
| 避雷器 | |
| el.gen. | одводник пренапона |
| 管: 47 phrases in 9 subjects |
| Accumulators | 1 |
| Cables and cable production | 7 |
| Computer networks | 14 |
| Ecology | 2 |
| Electric machinery | 2 |
| Electricity generation | 1 |
| Electronics | 1 |
| Microsoft | 11 |
| Thermal Energy | 8 |