火牛
    fo2
    ngau4
    編輯拼音edit jyutping

    【喻】鎮流器。通常指用於熒光燈的鎮流器。帶有鐵芯的線圈，電抗很大。啟動時有幫助起燃作用；放電後可限制電流在一定的範圍內。

    編輯解釋edit jyutping

    (noun) an AC adaptor; an electric transformer; an electrical ballast

    編輯英文解釋edit jyutping

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