单词	underfrequency relay
释义	underfrequency relay noun : a relay actuated by a fall in electrical frequency Word History Etymology under entry 3 + frequency
随便看	gratulates gratulating gratulation mniums mns MNT mntn mo mo de ri mo development mo me im mo sum: hu Mo Yan mo's fire mo-luminarism mo-luminarist mo-oc mo-quarto Mo-tzu moa Moab Moabite moabites Moabitic moabitish

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