... relay operating frequency ==> 继电器工作频率 relay operating time ==> 继电器动作时间,继电器吸合时间 relay outside lead ==> 继电器线圈外端引线 ...
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relay-operating time 继电器动作时间
In the control system, operating through the PLC issued a directive, the drive time relay.
在该控制系统中，操作人员通过PLC发出指令，驱动时间继电器。
A kind of design method of microprocessor protection relay apparatus based on real time operating system (RTOS) was introduced in this paper.
介绍了一种基于实时操作系统的微机继电保护装置的设计方法。
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