发纹 : 55 phrases in 14 subjects |
Architecture | 2 |
Aviation | 1 |
Construction | 1 |
Dermatology | 5 |
Electronics | 6 |
Engineering geology | 1 |
Metallurgy | 14 |
Oil / petroleum | 1 |
Plastics | 1 |
Polymers | 1 |
Space | 1 |
Technology | 19 |
Telecommunications | 1 |
Textile industry | 1 |