| |||
| 人工接线员 | |||
|
manual operator : 14 phrases in 7 subjects |
| Air defense | 1 |
| Automobiles | 3 |
| Aviation | 6 |
| Electronics | 1 |
| General | 1 |
| Oil / petroleum | 1 |
| Textile industry | 1 |
| |||
| 人工接线员 | |||
|
manual operator : 14 phrases in 7 subjects |
| Air defense | 1 |
| Automobiles | 3 |
| Aviation | 6 |
| Electronics | 1 |
| General | 1 |
| Oil / petroleum | 1 |
| Textile industry | 1 |