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circuit package | |||
circuit module | |||
circuit unit |
电路 组 件 : 34 phrases in 12 subjects |
Air defense | 1 |
Automobiles | 1 |
Aviation | 2 |
Electric machinery | 1 |
Electronics | 17 |
General | 1 |
Geophysics | 1 |
Metallurgy | 1 |
Nuclear and fusion power | 1 |
Shipbuilding | 1 |
Space | 3 |
Technology | 4 |