英语词汇“backup relay”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	backup relay
释义	backup relay noun : a secondary relay to protect a power system against faults in the event of failure of the primary relay to function as desired
随便看	prenominal prenominate prenomination pre-norman prenotice prenotification prenotify prenotion prent prentice prentice prentice of law prenup prenuptial prenuptial prenuptial agreement preoccasioned preoccipital preoccupancy preoccupant preoccupate preoccupation preoccupied preoccupiedly preoccupy

英语词典包含332784条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。