预 成 型 : 112 phrases in 14 subjects |
Chemistry | 1 |
Construction | 1 |
Electric machinery | 1 |
Finances | 2 |
Metallurgy | 6 |
Oil / petroleum | 3 |
Plastics | 57 |
Polymers | 8 |
Refrigeration | 1 |
Space | 2 |
Steel production | 2 |
Technology | 26 |
Telecommunications | 1 |
Textile industry | 1 |