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double conductor |
双导 线 : 48 phrases in 13 subjects |
Air defense | 1 |
Aviation | 2 |
Earth sciences | 1 |
Electric machinery | 3 |
Electronics | 9 |
General | 2 |
Metallurgy | 1 |
Nautical | 1 |
Oil / petroleum | 3 |
Rail transport | 1 |
Shipbuilding | 1 |
Space | 7 |
Technology | 16 |