| 1. | Driven with variable frequency , less the energy consumption
变频调速，经济节能。 |
| 2. | The reform of variable frequency energy conservation in paper mill
造纸厂变频节能的改造 |
| 3. | The digital variable frequency sspeed regulation system based on dsp
的全数字交流调速系统 |
| 4. | General specification for variable frequency and voltage power supplies
变频变压电源通用规范 |
| 5. | The application of simens c504 in variable frequency driver system
504在变频调速系统中的应用 |
| 6. | The development and situation of variable frequency drive technology
变频调速技术的现状与应用 |
| 7. | Variable frequency vibration test method
可变频率的振动试验方法 |
| 8. | Specification for a . c . generators for aircraft - variable frequency
飞机交流发电机规范.第2部分:变频 |
| 9. | Variable frequency speed - governing system for condensate pump in power plant
电厂凝结水泵变频调速系统 |
| 10. | Variable frequency drive of the blower for wood dust combustion furnace
旋风式木粉燃烧鼓风机变频技术改造 |
