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详图设计 : 14 phrases in 9 subjects |
| Advertising | 1 |
| Agriculture | 1 |
| Aviation | 1 |
| Hydroelectric power stations | 4 |
| Project management | 1 |
| Refrigeration | 1 |
| Shipbuilding | 1 |
| Technology | 3 |
| Textile industry | 1 |
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