净化 的 : 80 phrases in 23 subjects |
Agriculture | 1 |
Animal husbandry | 2 |
Architecture | 1 |
Automobiles | 3 |
Ceramics | 1 |
Ecology | 5 |
Electric machinery | 2 |
Electronics | 6 |
Engineering geology | 1 |
Environment | 2 |
General | 6 |
Genetics | 2 |
Geology | 1 |
Hydroelectric power stations | 1 |
Metallurgy | 2 |
Oil / petroleum | 1 |
Plastics | 2 |
Project management | 1 |
Technology | 33 |
Telecommunications | 1 |
United Nations | 3 |
Ventilation | 1 |
Water resources | 2 |