| 1. | The load current is handled directly by the controller through semiconductor switching devices .
负荷电流由调节器通过半导体开关元件直接控制。 |
| 2. | A digital switching device in telecommunications for routing lines
电讯中用于线路路由的数字交换装置。 |
| 3. | Road vehicles - electrical electronic switching devices - microrelays
道路车辆.电气电子开关设备.微继电器 |
| 4. | Vox voice operated switching device
声音控制切换装置 |
| 5. | Development of an automatic switch device fordouble power of single - phase source
单相双电源自动切换装置的研制 |
| 6. | Development of step delay auto - switching device of high - power contra - rotary fan
大功率对旋风机分级延期自动切换研制 |
| 7. | Antenna switching device
天线转换开关装置 |
| 8. | Road vehicles - electrical electronic switching devices - relays and flashers
道路车辆.电气电子开关设备.继电器和闪光器 |
| 9. | Road vehicles - electrical electronic switching devices - electronic devices
道路车辆.电气电子开关设备.第2部分:电子设备 |
| 10. | Test and application of double power automatic switching device for auxiliary fan
局部通风机双电源自动切换装置的试验与应用 |
