The paper introduces the designing method of the digital time-delay relay and gives the detailed electric circuit picture.
阐述了数字式时间继电器的设计方法，给出了详细的电路图。
The paper introduces the designing method of the digital time-delay relay and gives the detailed electric circuit picture.
阐述了数字式时间继电器的设计方法，给出了详细的电路图。
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