direct trunk line
direct trunk line
[电信英汉词典]
direct trunk line直通中继线
是什么意思,direct trunk line的解释,direct trunk line的翻译
[计算机英汉词典] direct trunk line
direct trunk line
[电信英汉词典]
direct trunk line是什么意思,direct trunk line的解释,direct trunk line的翻译
[计算机英汉词典] direct trunk line