manual switchboard

基本解释

• 人工交换机

英汉例句

权威例句

• When computerized dialing systems were introduced, they replaced the need for manual telephone switchboards and, consequently, the switchboard operators that ran them.
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词组短语

短语

• manual telephone switchboard 人工电话交换机
• manual toll switchboard 长途人工接续台
• manual common battery switchboard 人工共电式交换台
• manual multiple type switchboard 人工复式交换台

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专业释义

电子、通信与自动控制技术

• 人工交换台
• 人工交换机
• 人工总机
• 人工交换总机

机械工程

• 人工交换电盘