The characteristic of PLC is introduced and the application of PLC with mightiness logic and number function in hoist control system underground small cargo hoist is emphasized.
介绍了可编程序控制器（PLC）的功能和特点，着重阐述了具有强大逻辑、算术控制功能的PLC在小型货物提升机控制系统中的应用。
The characteristic of PLC is introduced and the application of PLC with mightiness logic and number function in hoist control system underground small cargo hoist is emphasized.
介绍了可编程序控制器（PLC）的功能和特点，着重阐述了具有强大逻辑、算术控制功能的PLC在小型货物提升机控制系统中的应用。
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