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弹 塑性体 : 74 phrases in 12 subjects |
Automobiles | 1 |
Bridge construction | 2 |
Chemistry | 10 |
Engineering geology | 2 |
Explosives and Explosive Ordnance Disposal | 1 |
Hydroelectric power stations | 3 |
Metallurgy | 2 |
Oil / petroleum | 11 |
Plastics | 9 |
Polymers | 16 |
Space | 1 |
Technology | 16 |