 |
| 工作电压: 64 phrases in 19 subjects |
| Aviation | 4 |
| Business | 1 |
| Communications | 2 |
| Drilling | 1 |
| Electric machinery | 3 |
| Electronics | 19 |
| General | 4 |
| Geophysics | 2 |
| Hydroelectric power stations | 2 |
| Information technology | 1 |
| Mining | 1 |
| Nautical | 1 |
| Power system protection | 1 |
| Rail transport | 5 |
| Risk Management | 1 |
| Solar power | 1 |
| Space | 4 |
| Technology | 8 |
| Wind Energy | 3 |