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| central-heating | |||
| central heating | |||
| concentrated heating; concentrating heating; indirect heating | |||
| 集中 供暖: 20 phrases in 6 subjects |
| Architecture | 1 |
| Ecology | 1 |
| Electronics | 1 |
| General | 1 |
| Refrigeration | 3 |
| Technology | 13 |
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