单词	undervoltage
释义	undervoltage adjective : devised so as to become operative when the voltage in a line drops below a definite value undervoltage relay Word History Etymology under entry 2 + voltage
随便看	IPD ipecac ipecacs ipecacuanha ipecacuanhas ipecacuanhic ipf Iphigenia IPI ipid Ipidae ipidaes ipil ipilipil ipiti Ipiutak ipm IPO Ipoh ipomoeae ipomoeas ipos IPP ippi-appa ippons

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