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| open system | |||
| 预制装配式: 52 phrases in 8 subjects |
| Animal husbandry | 1 |
| Architecture | 2 |
| Automobiles | 1 |
| Bridge construction | 3 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Project management | 2 |
| Technology | 41 |
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