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 Word History First Known Use 1950, in the meaning defined above
随便看	funkholes funkia funkias funkier funkiest funkily funkiness funkinesses funking funks funky funmaker funned funnel funnel cake funnel cloud funnel tube funneled funnelform funneling funnelled funnelling funnels funner funnest

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