基本解释撥號備份英汉例句雙語例句The Sequencing or Line Replenishment Operator shall provide a phone extension to be used for dial backup of the primary data communications link.排序或線路補給操作員應提供一個電話分機,以便聯系主要數據通訊聯接的後援。www.1x1y.com.cndial backup更多例句词组短语短語dial backup auto answer unit 撥號備援自動廻答裝置asynchronous dial -up backup 異步撥號備份dial backup更多词组