| |||
| 继电保护系统 | |||
|
relaying system : 8 phrases in 5 subjects |
| Electric machinery | 1 |
| Electronics | 2 |
| Hydroelectric power stations | 1 |
| Technology | 3 |
| Telecommunications | 1 |
| |||
| 继电保护系统 | |||
|
relaying system : 8 phrases in 5 subjects |
| Electric machinery | 1 |
| Electronics | 2 |
| Hydroelectric power stations | 1 |
| Technology | 3 |
| Telecommunications | 1 |