 |
| |||
| on-off element | |||
| switch element | |||
| 开关单元: 12 phrases in 5 subjects |
| Electric machinery | 2 |
| Electronics | 2 |
| Hydroelectric power stations | 2 |
| Mining | 1 |
| Technology | 5 |
|
| |||
| on-off element | |||
| switch element | |||
| 开关单元: 12 phrases in 5 subjects |
| Electric machinery | 2 |
| Electronics | 2 |
| Hydroelectric power stations | 2 |
| Mining | 1 |
| Technology | 5 |