英语词汇alternating-current mains怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	alternating-current mains
释义	alternating-current mains 简明释义交流电网，交流电源，交流干线网络释义 1 ?交流电网交流阻抗 alternating-current impedance 交流电网，交流电源，交流干线 alternating-current mains 交流测量 alternating-current measurement .. 短语 1 alternating current mains 交流馈电线双语例句 1 Mains electricity in America is supplied as alternating current at 60 Hertz. 在美国，主要供应频率为60赫兹的交流电。
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