 |
| |||
| telephone with dial | |||
| automatic exchange | |||
| automatic telephone set | |||
| |||
| dial telephone | |||
| 自动 电话 机: 40 phrases in 12 subjects |
| Business | 2 |
| Electronics | 7 |
| Exhibitions | 1 |
| General | 1 |
| Hydroelectric power stations | 3 |
| Information technology | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Shipbuilding | 2 |
| Technology | 18 |
| Telecommunications | 2 |
| United Nations | 1 |