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 |