短語(yǔ)詞組短語(yǔ)hum modulation factor 哼聲調(diào)制系數(shù)hum modulation degree 哼聲調(diào)制度Test Procedure for Hum Modulation 交流聲調(diào)制試驗(yàn)程序modulation hum 調(diào)制交流聲;哼聲調(diào)變ac modulation hum 交流調(diào)制干擾 返回 hum modulation