| 1. | Semiconductor relay , p - switching or n - switching
S半导体继电器p型开关或n型开关 |
| 2. | Type bck transformers for switched mode power supplies
Bck型开关电源变压器 |
| 3. | Design analysis and debug of wfh - 100 type switch power supply
100型开关电源的设计分析与调试 |
| 4. | Outdoor h . v vacuum circuit breaker electric hand , isolating switch
环网型开关站xgw8 - 12i型户外 |
| 5. | Xgw8 - 12 outdoor rmu switching station
Xgw8 - 12型户外环网型开关站 |
| 6. | Xgw8 - 12 outdoor rmu switching station xgw8 - 12 outdoor rmu switching station
Xgw8 - 12型户外环网型开关站 |
| 7. | Xgw8 - 12 outdoor rmu switching station series of outdoor rmu switching station
Xgw8 - 12型户外环网型开关站 |
| 8. | Current mode switch
电流型开关 |
| 9. | Up to six model 7174a matrix cards can be connected in this manner in a model 707a switching mainframe
在707a型开关主机中，可按这种方式连接多达6块矩阵卡。 |
| 10. | The first large buttons can be used in 16mm circular , square , mushroom - shaped , selector and the button - type switch
大型按钮头，可用于16mm的圆形正方形蘑菇形选择器型和按键型开关 |
