变频

• Testing and monitoring device of frequency speed modulation system
  变频调速系统的测试监控装置
• The research of frequency conversion technique in the software radio
  软件无线电的变频技术研究
• Frequency converting unit for electric tools
  电动工具用变频机组
• Ac - dc - ac intelligent frequency converted speed control system for mine hoist
  交智能变频调速系统
• Variable - frequency power supply of industry vibrator based on 80c196mc
  的工业振动棒专用变频电源
• A new type synchronous drive control system for multi - motor
  一种新型的多电机同步变频传动控制系统
• Review of application of super absorbent polymers in turf irrigation
  变频调速技术在微喷灌中的应用
• 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
• Cause and control of wire breaking in drawing machine with converter
  变频拉丝机拉拔断丝原因及控制
• The design of the household air conditioner fuzzy inverter controller
  家用空调变频模糊控制器的设计