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| emergency switching | |||
| emergency power-off | |||
| emergency-off; emergency power off | |||
| 紧急断电: 9 phrases in 5 subjects |
| Aviation | 1 |
| Electronics | 5 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Oil / petroleum | 1 |
| Space | 1 |
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