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电源主总开关 | |||
主控开关 | |||
主控开关 | |||
主控幵关; 总幵关 | |||
主开关 | |||
总开关; 干线开关 | |||
电源开关 | |||
主[总]开关 | |||
主电门; 主交换机 |
main switch: 37 phrases in 13 subjects |
Automobiles | 4 |
Aviation | 1 |
Electric machinery | 1 |
Electronics | 4 |
Geophysics | 1 |
Hydroelectric power stations | 2 |
Mechanics | 1 |
Metallurgy | 3 |
Nautical | 1 |
Oil / petroleum | 3 |
Rail transport | 4 |
Shipbuilding | 2 |
Technology | 10 |