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启动装置: 42 phrases in 17 subjects |
Architecture | 1 |
Automobiles | 3 |
Aviation | 4 |
Computer numerical control | 1 |
Electric machinery | 2 |
Electronics | 3 |
Explosives and Explosive Ordnance Disposal | 2 |
General | 3 |
Hobbies and pastimes | 1 |
Hydroelectric power stations | 1 |
Metallurgy | 3 |
Nautical | 1 |
Oil / petroleum | 3 |
Rail transport | 1 |
Space | 4 |
Technology | 7 |
Wind Energy | 2 |