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拆模: 70 phrases in 13 subjects |
Architecture | 2 |
Automobiles | 2 |
Bridge construction | 3 |
Chemistry | 1 |
General | 1 |
Hydroelectric power stations | 2 |
Metallurgy | 15 |
Plastics | 4 |
Project management | 1 |
Rail transport | 1 |
Space | 1 |
Technology | 36 |
Textile industry | 1 |