一种基于PLC的电液自动控制系统，采用了电液比例阀的双闭环控制系统。
This paper introduces an electrohydraulic control system based on PLC. A double close - loop control system with electro - hydraulic proportional valve is adopted.
亚砷酸车间的生产控制采用仪电一体化设计，所有电气设备、机组和阀门均在DCS上自动控制或远方遥控操作。
The production of arsenic trioxide is controlled by electrics and instrument, with all electrical equipment, units and valves automatically controlled by DCS or remote operation.
为了提高电潜泵产品质量，延长电潜泵井的检泵周期，研制了电动潜油泵多功能自动控制测试系统。
To improve the quality of electric submersible pump (ESP) and extend the pump checking period of the ESP Wells, a multifunction automatic control and test system for ESP is developed.
电接点水银温度计能在工作温度达到或超过（低于）给定值时发出电信号，从而实现自动控制发讯或报警等功能。
The electric point mercury thermometer call transmit the electric signal when get the setting temperature, and get the auto control or alarm funnction.
电接点水银温度计能在工作温度达到或超过（低于）给定值时发出电信号，从而实现自动控制发讯或报警等功能。
The electric point mercury thermometer call transmit the electric signal when get the setting temperature, and get the auto control or alarm funnction.
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