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	pigmento pigmento- pigmentophage pigment orange R pigmentosa pigment process pigment purple A pigment scarlet 3B pigment volume pig metal pigmy pigmy pigmy blue pigmy deer pigmyweed pignet pignet index pignoli pignolia pignon pignorate pignoration pignoratitious pignorative pignus

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