英语词汇manual exchange怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	manual exchange
释义	manual exchange 【电信学】人工交换机 [亦作 manual switchboard]
随便看	boa constrictors boacs Boadicea boak Boanerges Boanergeses boang boar board boardable board and batten board and board board-and-computer game board and lodging board-and-shingle board at boardboy board bridge board broker board by board chairman board check board checking board coal board computer

英汉双解词典包含483723条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。