 |
| |||
| stand-by transformer | |||
| emergency transformer | |||
| spare transformer; standby transformer; reserve transformer; auxiliary transformer | |||
| резервный трансформатор: 10 phrases in 5 subjects |
| Electrical engineering | 1 |
| Electronics | 2 |
| Energy industry | 3 |
| Nuclear and fusion power | 1 |
| Technology | 3 |