故障排除 : 91 phrases in 25 subjects |
Air defense | 1 |
Architecture | 1 |
Automobiles | 11 |
Aviation | 7 |
Business | 11 |
Chemistry | 1 |
Commerce | 1 |
Computers | 1 |
Construction | 1 |
Data processing | 1 |
Drilling | 1 |
Economy | 1 |
Electric machinery | 1 |
Electronics | 10 |
General | 9 |
Hydroelectric power stations | 3 |
Information technology | 1 |
Management | 1 |
Metallurgy | 2 |
Oil / petroleum | 2 |
Skydiving | 1 |
Space | 7 |
Technology | 8 |
Telecommunications | 2 |
Wind Energy | 6 |