说明：  以触摸屏作为人机交互的媒介，可编程逻辑控制器（PLC）作为主控单元，结合多种传感器和执行机构，设计了一套能自动和手动处理评价处理后污水装置的自动控制系统
(With touch screen as the medium of human-computer interaction, PLC as the main control unit, combined with a variety of sensors and actuators, an automatic control system which can automatically and manually treat and evaluate the treated sewage device is designed)