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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 |