自动控制时，PLC根据进水压力传感器提供的压力信号，判断是否启、停加压泵。
Under automatic control mode, the PLC judges whether opened or stopped the pressure pumps by the pressure signal which provided by hydraulic pressure sensor.
自动控制时，PLC根据进水压力传感器提供的压力信号，判断是否启、停加压泵。
Under automatic control mode, the PLC judges whether opened or stopped the pressure pumps by the pressure signal which provided by hydraulic pressure sensor.
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