英语词汇“primary relay”的翻译、意思、用法、释义-英汉汉英词典

单词	primary relay
释义	primary relay 【电工学】一次继电器以上来源于：《21世纪大英汉词典》 primary relay初始继电器primary relay一次繼電器電機工程primary relay初始繼電器物理化學儀器設備名詞
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