Manual control – emergency shutdown sequence.
手动控制-紧急关机顺序。
The emergency shutdown system ESD in FCC unit revamp is introduced, ESD system composition, its function characteristics and control method are detailed described.
介绍了在催化裂化装置改造中用紧急停车系统ESD的具体实现方法，并详细介绍了ESD组成结构、功能特点及控制方案的实施等。
Emergency shutdown valve is in a kind of hydraulic control valve.
紧急关闭阀是水力控制阀中的一种。
Moreover, this control system also has such functions as the emergency shutdown under fault condition, sludge collection and video monitor for operation status.
同时，该系统还具有事故工况下急停、泥渣收集和运行状态视频监视等功能。
Moreover, this control system also has such functions as the emergency shutdown under fault condition, sludge collection and video monitor for operation status.
同时，该系统还具有事故工况下急停、泥渣收集和运行状态视频监视等功能。
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