打 孔机 : 51 phrases in 15 subjects |
Advertising | 2 |
Astronautics | 1 |
Business | 5 |
Computers | 1 |
Economy | 2 |
Electronics | 5 |
Finances | 1 |
General | 8 |
Information technology | 1 |
Mathematics | 3 |
Metallurgy | 3 |
Technology | 14 |
Telecommunications | 1 |
Textile industry | 3 |
Thermal Energy | 1 |