As the determinant criterion of eligible AC relay, AC yawp is an important qualityindex which needs testing.
交流尾声是判定交流继电器是否合格的一个重要质量指标，需要对其进行检验。
参考来源 - 交流尾声特征及检测方法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
This paper introduces a new AC voltage adjustment device controlling by optocoupler relay and gives detailed analysis of it's circuit.
对一种用光耦合继电器控制的交流调压器进行了介绍和分析，给出了该调压器的特点。
Often in ac circuit by air damping model time relay, it is to use the principle of air through orifices throttling to obtain delay action.
在交流电路中常采用空气阻尼型时间继电器，它是利用空气通过小孔节流的原理来获得延时动作的。
Electrical products which have LCD time counter, Layer sensor, Three-phase AC fault protection relay and so on.
其中电器类产品有液晶显示计时计数器、平层感应器、断相错相三相交流保护继电器等等。
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