英语词汇“off-hook service”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	off-hook service
释义	off-hook service off-hook service [′ȯf ‚hu̇k ‚sər·vəs] (communications) Priority telephone service for key personnel that affords a connection from caller to receiver by the simple expedient of removing the phone from its cradle or hook.
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