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绘制机 : 22 phrases in 10 subjects |
| Agriculture | 1 |
| Aviation | 5 |
| Construction | 1 |
| Earth sciences | 2 |
| Electronics | 5 |
| Metallurgy | 1 |
| Refrigeration | 1 |
| Shipbuilding | 2 |
| Space | 1 |
| Technology | 3 |
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