| |||
| 电源 | |||
|
electrical source : 27 phrases in 8 subjects |
| Air defense | 1 |
| Aviation | 3 |
| Hydroelectric power stations | 1 |
| Nautical | 1 |
| Rail transport | 1 |
| Scientific | 1 |
| Space | 7 |
| Technology | 12 |
| |||
| 电源 | |||
|
electrical source : 27 phrases in 8 subjects |
| Air defense | 1 |
| Aviation | 3 |
| Hydroelectric power stations | 1 |
| Nautical | 1 |
| Rail transport | 1 |
| Scientific | 1 |
| Space | 7 |
| Technology | 12 |