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| |||
| working chamber | |||
| operating room; studio; atelier | |||
| 作业室: 28 phrases in 9 subjects |
| Animal husbandry | 3 |
| Aviation | 6 |
| Bridge construction | 2 |
| General | 2 |
| Geophysics | 2 |
| Hydroelectric power stations | 1 |
| Metallurgy | 2 |
| Oil / petroleum | 1 |
| Technology | 9 |
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