“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	pressure plate pressure-plate anemometer pressure plateau pressure point pressure process pressure radius pressure rating pressure-regulating valve pressure regulator pressure release pressure-release jointing pressure relief pressure-relief device pressure-relief valve pressure resistance pressure-retaining member pressure ridge pressure ring pressure-rise center pressure roll pressure seal pressure-sensitive adhesive pressure shadow pressure shift pressure solution

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