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.
当用户有选用上位机系统，需在远方进行启动操作时，KA4吸合，KA8、KA9吸合，设备进入运行状态。
When customers select host computer and need to operate in from a far distance, KA4 absorbs, KA8 and KA9 absorbs, and therefore, the device begins to operate.
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