进风 口 : 50 phrases in 16 subjects |
Agriculture | 1 |
Architecture | 2 |
Automobiles | 2 |
Aviation | 6 |
Chemistry | 1 |
Commerce | 1 |
Company name | 1 |
Electric machinery | 6 |
Electronics | 1 |
Health care | 1 |
Hydroelectric power stations | 1 |
International trade | 1 |
Metallurgy | 3 |
Refrigeration | 7 |
Technology | 13 |
Wind Energy | 3 |