manual telephone switchboard

基本解释

• [机械工程]人工电话交换机
• [计算机科学技术]人工电话交换机

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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专业释义

机械工程

• 人工电话交换机

计算机科学技术

• 人工电话交换机