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控制器与变频器，提出了一种简单易行的自动扶梯节能方法。
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控制器与变频器，提出了一种简单易行的自动扶梯节能方法。
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