硬化剂: 73 phrases in 16 subjects |
Agriculture | 1 |
Architecture | 2 |
Automobiles | 2 |
Business | 1 |
Chemistry | 1 |
Dermatology | 1 |
Electronics | 2 |
General | 1 |
Hydroelectric power stations | 2 |
Metallurgy | 10 |
Otorhinolaryngology | 1 |
Plastics | 7 |
Polymers | 3 |
Surgery | 1 |
Technology | 37 |
Wind Energy | 1 |