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后壳 : 34 phrases in 13 subjects |
| Animal husbandry | 1 |
| Automobiles | 11 |
| Commerce | 1 |
| Ecology | 1 |
| Electronics | 1 |
| Finances | 1 |
| General | 1 |
| Geology | 1 |
| Ichthyology | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Space | 2 |
| Technology | 11 |
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