• This paper is based of PLC controller and frequency converter, and puts forward an easy energy-saving method of escalator.

    本文基于PLC控制器变频器提出一种简单易行自动扶梯节能方法

    youdao

  • This paper is based of PLC controller and frequency converter, and puts forward an easy energy-saving method of escalator.

    本文基于PLC控制器变频器提出一种简单易行自动扶梯节能方法

    youdao

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