voiceband telecommunication
voiceband telecommunication
[电信英汉词典]
voiceband telecommunication音频电信
是什么意思,voiceband telecommunication的解释,voiceband telecommunication的翻译
voiceband telecommunication
[电信英汉词典]
voiceband telecommunication是什么意思,voiceband telecommunication的解释,voiceband telecommunication的翻译