|
Distance relay : 13 phrases in 5 subjects |
| Automated equipment | 3 |
| Electrical engineering | 4 |
| Firefighting and fire-control systems | 1 |
| Non-destructive testing | 1 |
| Technology | 4 |
|
Distance relay : 13 phrases in 5 subjects |
| Automated equipment | 3 |
| Electrical engineering | 4 |
| Firefighting and fire-control systems | 1 |
| Non-destructive testing | 1 |
| Technology | 4 |