英语词汇“toll center”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	toll center
释义	toll center toll center [′tōl ‚sen·tər] (communications) A telephone central office where trunks from end offices are joined to the long-distance system, and operators are present; it is a class-4 office. AcronymsSeeTC
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