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| 管供热: 66 phrases in 9 subjects |
| Architecture | 3 |
| Electronics | 1 |
| Hydroelectric power stations | 2 |
| Metallurgy | 2 |
| Oil / petroleum | 2 |
| Rail transport | 1 |
| Refrigeration | 9 |
| Shipbuilding | 2 |
| Technology | 44 |
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