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油母 : 42 phrases in 15 subjects |
| Animal husbandry | 1 |
| Architecture | 2 |
| Automobiles | 4 |
| Chemistry | 2 |
| Desert science | 2 |
| Earth sciences | 2 |
| Electronics | 1 |
| Engineering geology | 1 |
| General | 4 |
| Geology | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 9 |
| Perfume | 1 |
| Polymers | 2 |
| Technology | 9 |
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