停电: power cut; power failure; se ...用: 40分钟跑完全程 run the course in 4 ...开关: Q-switching停电用继电器: power-off relay停电开关: power-off switch接通,(用开关)开起: switch on禁用开关: disable switch; disabled switch切断,(用开关)关掉: switch off热带用开关: tropical switch试验用开关: test switch通用开关: universal switch万用开关: universal switch用开关断开: switch turnoff停电用电源转换继电器: power off relay瞬时作用开关: momentary contact switch压力作用开关: pressure-operated switch专用开关公司: specialist switches应急开关备用开关: emergency switch光电多路复用开关: oms optoelectronic multiplex switch电用: electric metal停电: power cut; power failure; service interruption压力操纵开关 压力作用开关: pressure-operatedswitch计算复位保持三用开关: computer reset hold switch三联扁圆通用开关插座: universal triple oblate switch socket断电,停电: power failure