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全 封闭 : 148 phrases in 28 subjects |
Agriculture | 1 |
Architecture | 1 |
Automobiles | 8 |
Aviation | 2 |
Bridge construction | 1 |
Chemistry | 4 |
Compressors | 5 |
Computer numerical control | 1 |
Cryptography | 1 |
Drilling | 1 |
Electric machinery | 19 |
Electronics | 15 |
Explosives and Explosive Ordnance Disposal | 2 |
General | 5 |
Geology | 1 |
Hydroelectric power stations | 1 |
Mechanic engineering | 1 |
Metallurgy | 9 |
Nautical | 5 |
Oil / petroleum | 1 |
Plastics | 1 |
Rail transport | 3 |
Refrigeration | 10 |
Scuba diving | 2 |
Space | 1 |
Submarines | 3 |
Technology | 43 |
Textile industry | 1 |