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primary current |
次电流 : 35 phrases in 13 subjects |
Air defense | 1 |
Automobiles | 1 |
Aviation | 1 |
Chemistry | 1 |
Electric machinery | 5 |
Electronics | 12 |
Hydroelectric power stations | 1 |
Metallurgy | 1 |
Oil / petroleum | 1 |
Rail transport | 1 |
Space | 2 |
Technology | 7 |
Wind Energy | 1 |