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| 工厂空调 | |||
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plant air conditioning : 20 phrases in 8 subjects |
| Animal husbandry | 1 |
| Architecture | 1 |
| Chemistry | 1 |
| Electronics | 1 |
| Nautical | 1 |
| Refrigeration | 5 |
| Shipbuilding | 3 |
| Technology | 7 |
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