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陶管 : 157 phrases in 18 subjects |
| Agriculture | 1 |
| Architecture | 2 |
| Chemistry | 2 |
| Communications | 1 |
| Construction | 1 |
| Desert science | 1 |
| Ecology | 1 |
| Electronics | 4 |
| Engineering geology | 2 |
| General | 2 |
| Hydroelectric power stations | 4 |
| Management | 1 |
| Metallurgy | 5 |
| Oil / petroleum | 5 |
| Space | 1 |
| Technology | 122 |
| Telecommunications | 1 |
| Water resources | 1 |
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