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材料 消耗: 69 phrases in 15 subjects |
Automobiles | 3 |
Aviation | 3 |
Bridge construction | 2 |
Business | 13 |
Commerce | 2 |
Economy | 8 |
Electric machinery | 1 |
Electronics | 1 |
Hydroelectric power stations | 1 |
Management | 3 |
Metallurgy | 8 |
Oil / petroleum | 3 |
Space | 2 |
Technology | 18 |
Textile industry | 1 |