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导 销 : 49 phrases in 16 subjects |
Automobiles | 1 |
Business | 7 |
Chemistry | 1 |
Commerce | 1 |
Compressors | 1 |
Computer numerical control | 2 |
Economy | 1 |
Electronics | 1 |
Management | 1 |
Marketing | 4 |
Metallurgy | 3 |
Oil / petroleum | 1 |
Plastics | 5 |
Polymers | 2 |
Space | 4 |
Technology | 14 |