短語(yǔ)詞組短語(yǔ)ac modulation hum 交流調(diào)制干擾hum modulation 噪聲燈;噪聲調(diào)制;[電子]哼聲調(diào)制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 返回 modulation hum