| 1. | A novel rapid power transfer device for station service
一种新型厂用电源快速切换装置 |
| 2. | Development of auto - shifting device of auxiliary fan
矿用局部通风机自动切换装置的研制 |
| 3. | The problem in contactor of atse
接触器式双电源自动切换装置存在的问题 |
| 4. | Application of double power resources automatic transforming switch equipment
双电源自动切换装置的应用 |
| 5. | Vox voice operated switching device
声音控制切换装置 |
| 6. | 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 |
| 7. | Vox voice operatedtching device
声音控制切换装置 |
| 8. | 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 |
| 9. | Development of automatic switching - over device for intelligent dupilcate power supply system
智能式双电源供电系统自动切换装置的研制 |
| 10. | The development of a real - time surveillance and automatic switching apparatus for use with a double power supply system
双供电系统实时监控和自动切换装置的研制 |
