英语词汇dead number trunk是什么意思，dead number trunk的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	dead number trunk
释义	dead number trunk　空号中继线
随便看	surface of the sea surface of translation surface organisms surface orientation surface orientation effect surface oxidation surface packer surface particle surface passivation surface passivation technology surface peeling surface phenomena surface photoelectric effect surface physics surface physics surface pinholes surface pitting surface plan surface planter surface plasticity surface plate surface play surface plot surface poise surface poisoning

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