| |||
voice communication | |||
telephone communications | |||
telephone communication |
电 话 通信 : 45 phrases in 12 subjects |
Automobiles | 1 |
Aviation | 2 |
Business | 2 |
Electronics | 17 |
General | 1 |
Information technology | 3 |
Metallurgy | 1 |
Nautical | 1 |
Shipbuilding | 1 |
Space | 3 |
Technology | 6 |
Telecommunications | 7 |