interexchange line signalling
interexchange line signalling
[电信英汉词典]
interexchange line signallingn.局间线路信号方式
是什么意思，interexchange line signalling的解释，interexchange line signalling的翻译
interexchange line signalling
[电信英汉词典]
interexchange line signalling是什么意思，interexchange line signalling的解释，interexchange line signalling的翻译