voice-frequency dialling equipment是什么意思


中文翻译音频拨号设备

网络释义

1)voice-frequency dialling equipment,音频拨号设备2)VFDE Voice Frequency Dialing Equipment,音频拨号设备3)audio,音频4)Audio frequency,音频5)audio-frequency,音频6)af,音频7)voice frequency,音频8)acousticfrequency,音频9)note frequency,音频10)sonic frequency,音频

用法例句

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