英语词汇“extension telephone”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	extension telephone
释义	extension telephone 基本例句 n.电话分机用作名词They monitored his telephone extension.他们监听他的电话分机。 Each telephone served by a private branch exchange.由专用小交换机提供服务的电话分机。
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