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| вертикаль трубы | |||
| вертикальная труба | |||
| 垂 直 管: 26 phrases in 10 subjects |
| Drilling | 1 |
| Electronics | 3 |
| General | 11 |
| Geology | 1 |
| Medical | 1 |
| Metallurgy | 1 |
| Nautical | 1 |
| Oil processing plants | 2 |
| Technology | 4 |
| Water resources | 1 |
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