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| 泵站操作工 | |||
| 线路所值班员; 车站值班员 | |||
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station operator : 25 phrases in 10 subjects |
| Aviation | 4 |
| Earth sciences | 1 |
| Electronics | 2 |
| General | 1 |
| Information technology | 2 |
| Metallurgy | 1 |
| Nuclear and fusion power | 1 |
| Steel production | 1 |
| Technology | 11 |
| Telecommunications | 1 |
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