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art-work sheet |
工艺 单 : 32 phrases in 12 subjects |
Automobiles | 1 |
Aviation | 2 |
Electronics | 10 |
Management | 1 |
Metallurgy | 1 |
Oil / petroleum | 1 |
Oil processing plants | 2 |
Polymers | 1 |
Technology | 8 |
Textile industry | 2 |
Water resources | 1 |
Wind Energy | 2 |