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选择 装置 : 36 phrases in 11 subjects |
| Automobiles | 3 |
| Aviation | 7 |
| Chemistry | 1 |
| Electronics | 9 |
| General | 1 |
| Geophysics | 2 |
| Information technology | 1 |
| Lighting other than cinema | 1 |
| Nautical | 1 |
| Space | 5 |
| Technology | 5 |
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