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单词 θ198026
释义
society > communication > telecommunication > telegraphy or telephony > telephony > telephone equipment > [noun] > telephone > telephone facilities > button that provides hold facility (1)
hold button1965

A facility offered by some telephone systems whereby an incoming connection is held open automatically until the person called is free to take or…

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更新时间:2024/11/10 18:47:52