压缩空气作为过程控制系统气动执行器的动力源，必须经过严格的除湿处理。
Rigorous dehumidification of the compressed air is imperative for the process control system using pneumatic actuators.
精轧机机架间带钢冷却控制系统，用电气控制信号和压缩空气联合控制冷却水的流量，从而达到热轧带钢温度控制的目的。
Cooling control system between finishing mill regulates the water-flow with electric signal and compressed-air to control the temperature of the hot strip steel.
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