Frequency speed control, kick control, simple operation.
变频调速，脚踏控制，操作简便。
The advantages of frequency speed control in forced draught fan for boiler in power plant are set forth by examples.
结合实例阐明了电站锅炉送风机采用变频调速的优点。
An induction motor variable frequency speed control system used in textile carding machine is presented in this paper.
本文介绍一种用于纺织机械——梳棉机的感应电机变频调速系统。
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