基本解釋n.活塞發(fā)聲儀同根派生 pistonphone相關(guān)詞英漢例句Measurement of the sound pressure level of pistonphone with unknown coupler volume 未知耦合腔體積活塞發(fā)聲器聲壓級的檢測pistonphone method 活塞發(fā)聲器法pistonphone更多例句