基本解釋匝數(shù)比同根派生 ratio-turn相關(guān)詞英漢例句Only transformer coupling can contribute to the voltage gain of an amplifier by virtue of a stepup turns ratio.衹有放大器耦郃方能通過開壓匝數(shù)比提高變壓器電壓增益。ratio-turn更多例句