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| 管道气体: 18 phrases in 12 subjects |
| Automobiles | 1 |
| Electronics | 1 |
| General | 1 |
| Hydroelectric power stations | 2 |
| Logistics | 1 |
| Mass media | 1 |
| Metallurgy | 2 |
| Plastics | 1 |
| Rail transport | 1 |
| Refrigeration | 1 |
| Steel production | 1 |
| Technology | 5 |
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