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空房: 107 phrases in 18 subjects |
Animal husbandry | 1 |
Architecture | 4 |
Art | 1 |
Aviation | 1 |
Business | 2 |
Construction | 1 |
Earth sciences | 2 |
Economy | 7 |
Electric machinery | 2 |
Exhibitions | 3 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 10 |
Nuclear and fusion power | 2 |
Oil / petroleum | 1 |
Refrigeration | 17 |
Space | 1 |
Technology | 48 |
Textile industry | 3 |