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开关 电路 : 63 phrases in 17 subjects |
Agriculture | 1 |
Automobiles | 4 |
Aviation | 3 |
Construction | 1 |
Electric machinery | 1 |
Electricity | 1 |
Electronics | 18 |
Geophysics | 1 |
Information technology | 2 |
Lighting other than cinema | 1 |
Radio | 1 |
Rail transport | 2 |
Shipbuilding | 3 |
Space | 2 |
Technology | 19 |
Telecommunications | 1 |
Wind Energy | 2 |