| 1. | Uninterrupted power supply system public works category
免受干扰的电力供应系统 |
| 2. | Alteration of power supply system in program - control
程控交换机电源系统改造 |
| 3. | Power supply system for urban trolleybus and tramway
城市无轨电车和有轨电车供电系统 |
| 4. | Protection measures in housing power supply system
住宅供电系统中的保护措施 |
| 5. | D . c . traction power supply system for urban rail transit
城市轨道交通直流牵引供电系统 |
| 6. | Power supply system is fully automatic control
电源系统均采用自动控制。 |
| 7. | General specification for power supply system of spc exchange
程控电话交换机电源通用规范 |
| 8. | The optimization of secondary power supply system in substation
变电所二次电源系统的优化 |
| 9. | High frequency switching power supply system for telecommunications
通信用高频开关组合电源 |
| 10. | Code for design of electric power supply systems
供配电系统设计规范 |
