导气 管 : 117 phrases in 23 subjects |
Agriculture | 1 |
Air defense | 1 |
Architecture | 1 |
Automobiles | 33 |
Aviation | 7 |
Business | 1 |
Chemistry | 1 |
Computer numerical control | 1 |
Ecology | 1 |
Electronics | 1 |
Genetics | 1 |
Metallurgy | 9 |
Nursing | 5 |
Oil / petroleum | 1 |
Otorhinolaryngology | 5 |
Plastic surgery | 1 |
Refrigeration | 1 |
Space | 5 |
Surgery | 6 |
Technology | 32 |
Telecommunications | 1 |
Transport | 1 |
United Nations | 1 |