| 1. | Micro - computer controlled vvvf water - supplying equipment
微机控制变频调速给水设备 |
| 2. | Experience of vvvf drive and project management is preferred
有变频器制造和项目管理经验者优先。 |
| 3. | Water supply with constant pressure and fire control by plc and vvvf
和变频调速实现恒压与消防供水 |
| 4. | Mbf vvvf high speed passenger elevator
Mbf交流变频调速电梯 |
| 5. | Vvvf high speed passenger elevator
交流变频调速电梯 |
| 6. | Study of optimal control method of repmsm ' s vvvf speed system
稀土永磁同步电动机变频调速系统最佳控制方案的探讨 |
| 7. | Mbf - xinma uses the latest vvvf technology to drive our passenger elevator . . . . .
新马电梯采用最新革命性的矢量控制变频变压系统. . |
| 8. | The ac vvvf ( variable voltage variable frequency ) speed regulation is a integrated technology
交流变频调速技术，是一门综合性的技术。 |
| 9. | Recently , the vvvf technology became mature with the development of power - electronics
近年来，由于电力电子技术的发展，交流变频调速技术已趋成熟。 |
| 10. | The elevator has vvvf inverter that can accurately control traction and drive systems ( door drive system )
精确的控制曳引驱动系统（门驱动系统）的vvvf逆变器。 |
