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电压电平 | |||
★ 电压等级 |
voltage-level : 25 phrases in 11 subjects |
Aviation | 5 |
Communications | 1 |
Electric machinery | 1 |
Electronics | 5 |
Geophysics | 1 |
Hydroelectric power stations | 1 |
Metallurgy | 1 |
Oil / petroleum | 1 |
Power electronics | 1 |
Scientific | 1 |
Technology | 7 |