 |
| 开关 设备: 65 phrases in 16 subjects |
| Aviation | 1 |
| Business | 1 |
| Chemistry | 1 |
| Electric machinery | 1 |
| Electronics | 25 |
| General | 1 |
| Hydroelectric power stations | 16 |
| Information technology | 1 |
| Metallurgy | 2 |
| Mining | 1 |
| Nautical | 1 |
| Oil / petroleum | 1 |
| Rail transport | 1 |
| Technology | 9 |
| Telecommunications | 1 |
| Wind Energy | 2 |