| 1. | Measures for quality improvement of power supplly system 提高供电系统质量的措施 |
| 2. | Power supply system for urban trolleybus and tramway 城市无轨电车和有轨电车供电系统 |
| 3. | Protection measures in housing power supply system 住宅供电系统中的保护措施 |
| 4. | D . c . traction power supply system for urban rail transit 城市轨道交通直流牵引供电系统 |
| 5. | Transformation scheme of power supply system for wulan coal mine 乌兰煤矿供电系统的改造方案 |
| 6. | Management of coal mine power distribution system relay protection 煤矿供电系统继电保护的管理 |
| 7. | Nominal voltages for low voltage public electricity supply systems 低压公用供电系统的标称电压 |
| 8. | The fault diagnosis expert system of industrial power system 工厂供电系统故障诊断专家系统的设计 |
| 9. | Overvoltages in traction supply systems 牵引供电系统中的过电压 |
| 10. | I ' m gonna shut down everything but the emergency power systems 我马上关掉所有东西除了应急供电系统 |