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split air |
分离空 气 : 54 phrases in 14 subjects |
Animal husbandry | 1 |
Automobiles | 3 |
Aviation | 3 |
Chemistry | 3 |
Ecology | 1 |
Electronics | 1 |
General | 2 |
Metallurgy | 1 |
Nautical | 1 |
Oil / petroleum | 6 |
Oil processing plants | 2 |
Refrigeration | 4 |
Space | 3 |
Technology | 23 |