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	solenette solenettes Solenhofen stone solenia solenial Solenichthyes solenichthyeses solenichthyesses Solenidae solenidaes solenium solenne solennemente soleno- Solenoconcha solenoconchae solenocyte solenocytic solenodon solenodons solenodont solenogaster solenogasteres solenogasters Solenogastres

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