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unsealed |
未 封的: 27 phrases in 11 subjects |
Advertising | 2 |
Animal husbandry | 2 |
Architecture | 1 |
Automobiles | 2 |
Drilling | 1 |
Electronics | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 9 |
Hydroelectric power stations | 2 |
Metallurgy | 1 |
Technology | 5 |