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| 螺形管: 58 phrases in 14 subjects |
| Air defense | 1 |
| Aviation | 2 |
| Chemistry | 1 |
| Drilling | 1 |
| Electronics | 2 |
| General | 3 |
| Hydroelectric power stations | 1 |
| Mechanics | 1 |
| Metallurgy | 5 |
| Oil / petroleum | 10 |
| Plastics | 2 |
| Refrigeration | 1 |
| Steel production | 1 |
| Technology | 27 |
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