| |||
分离方法 |
separation method : 75 phrases in 13 subjects |
Agriculture | 1 |
Aviation | 2 |
Chemistry | 3 |
Earth sciences | 1 |
Ecology | 2 |
Electronics | 1 |
Hydroelectric power stations | 2 |
Metallurgy | 6 |
Nautical | 1 |
Rail transport | 1 |
Space | 1 |
Technology | 49 |
Water resources | 5 |