unitary common battery telephone exchanger是什么意思


中文翻译单式共电交换机

网络释义

1)unitary common battery telephone exchanger,单式共电交换机2)common battery switchboard,共电式交换机3)common battery telephone exchange,共电式电话交换机4)common-battery switchboard,共电交换机5)central battery local switchboard,共电式市内交换机6)central battery toll switchboard,共电式长途交换机

用法例句

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