manual telephone switchboard

基本解释

• [機械工程]人工電話交換機
• [計算機科學技術]人工電話交換機

英汉例句

權威例句

• 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

機械工程

• 人工電話交換機

計算機科學技術

• 人工電話交換機