| |||
| 操作员座席; 话务员座席 | |||
|
operator position : 10 phrases in 4 subjects |
| Automobiles | 1 |
| Electronics | 4 |
| Hydroelectric power stations | 1 |
| Technology | 4 |
| |||
| 操作员座席; 话务员座席 | |||
|
operator position : 10 phrases in 4 subjects |
| Automobiles | 1 |
| Electronics | 4 |
| Hydroelectric power stations | 1 |
| Technology | 4 |