| 1. | Standard for safety for uninterruptible power systems
连续电源设备的安全标准 |
| 2. | Uninterruptible power systems for communications
通信用不间断电源- ups |
| 3. | Uninterruptible power systems - part 2 : emc requirements
连续电力系统.第2部分:电磁兼容性设备 |
| 4. | Research on uninterruptible power system by triport
的试验性研究 |
| 5. | Research on uninterruptible power system
的试验性研究 |
| 6. | Uninterruptible power systems
不间断电源系统ups |
| 7. | Power supply , uninterruptible
不断电电源供给 |
| 8. | Uninterruptible power supply ups
不断电电源 |
| 9. | Semiconductor convertors . switches for uninterruptible power systems vps switches
半导体变流器.无间断电力系统用开关 |
