telephone extension and supplementary facilities是什么意思，telephone extension and supplementary facilities的翻译，telephone extension and supplementary facilities音标、读音、用法和例句

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telephone extension and supplementary facilities是什么意思，telephone extension and supplementary facilities的翻译，telephone extension and supplementary facilities音标、读音、用法和例句_沉淀汉英词典

telephone extension and supplementary facilities

基本解释

专业释义

新闻学与传播学