 |
| |||
| contact circuit | |||
| |||
| contact circuit | |||
| 触点电路: 10 phrases in 5 subjects |
| Electronics | 4 |
| Hydroelectric power stations | 1 |
| Power system protection | 3 |
| Space | 1 |
| Technology | 1 |
|
| |||
| contact circuit | |||
| |||
| contact circuit | |||
| 触点电路: 10 phrases in 5 subjects |
| Electronics | 4 |
| Hydroelectric power stations | 1 |
| Power system protection | 3 |
| Space | 1 |
| Technology | 1 |