| 1. | All power is off - even the emergency power 没电了-紧急备用电源也没电了 |
| 2. | Installation and maintenance of farm standby electric power 农场备用电源的维护和安装 |
| 3. | Household electrical appliances - measurement of standby power 家用电器.备用电源的测量 |
| 4. | Household electrical appliances - measurement of standby power 家用电器.备用电源的测量 |
| 5. | Stored electrical energy emergency and standby power systems 储蓄电能应急和备用电源系统 |
| 6. | Dep - 540 auto switch on off for backup sources Dep - 817备用电源自动投切 |
| 7. | General specification for automatic bus transfer equipment 静态备用电源自动投入装置技术条件 |
| 8. | It ' s reliable power supply for family as reservation source 就家庭备用电源可靠的电力供应。 |
| 9. | Railway rolling stock - static auxiliary power supply - test methods 铁路车辆.固定备用电源.试验方法 |
| 10. | Application of microprocessor type spare power auto - switch - in device 微机式备用电源自动投入装置的应用 |