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| 角 边缘: 31 phrases in 15 subjects |
| Anatomy | 1 |
| Automobiles | 3 |
| Aviation | 1 |
| Bridge construction | 1 |
| Compressors | 1 |
| Dermatology | 2 |
| Desert science | 1 |
| Geology | 2 |
| Mechanics | 1 |
| Metallurgy | 3 |
| Oil / petroleum | 3 |
| Space | 1 |
| Surgery | 1 |
| Technology | 9 |
| Textile industry | 1 |
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