英语词汇“on-hook”的读音、翻译、释义、用法及例句-语文网

词汇	on-hook
释义	on-hook 挂机在电信中，一种电话机与线路断开的状态。不在使用的电话是在「挂机」状态。
随便看	multiprotocol router Multipurpose Internet Mail Extension multiracial multiread feeding multireel file multi-region operation multisequencing multisequential system multispeed clock feature multistage multistation access unit multi-storey multisyllabic multisyllable multi-synchronous multisystem environment multisystem mode Multisystem Networking Facility multi-tasking multitasking multitasking multitask operation multithread application program multithreading multi-tier

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