private branch exchange : 55 phrases in 13 subjects |
Architecture | 1 |
Business | 1 |
Construction | 2 |
Data processing | 1 |
Electronics | 16 |
General | 2 |
Hydroelectric power stations | 1 |
Information technology | 7 |
Multimedia | 3 |
Nuclear and fusion power | 1 |
Rail transport | 1 |
Technology | 8 |
Telecommunications | 11 |