“backup relay”的概念、定义、翻译、参考文献-科学参考

单词	backup relay
释义	backup relay [`bak´ǝp `rē·lā] ^ELECTRICITY A relay designed to protect a power system in case a primary relay fails to operate as desired.
随便看	builder building building block building-block approach building code building dock building envelope building footprint building line building-out circuit building-out network building-out section building paper buildup buildup curve buildup index buildup pressure buildup test built detergent built-in antenna built-in beam built-in check built-in function built-in procedure built terrace

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