automatic telephone exchange
常见例句
- Formation of Strowger Automatic Telephone Exchange.
史耑喬 式自動 電話交換機形成。 - CK series marine automatic telephone system is application for all kinds of vessels; It support automatic exchange service for auto telephone.
CK 系列船用程控電話系統是爲大、中、小型艦船提供整船內部電話服務的設備。
hzhuayan.com - Invention of 1,000 line switch with disc bank having ten concentric rows of line contacts. Not used commercially. Formation of Strowger Automatic Telephone Exchange.
發明1，000尋線機，其排線架擁有10排線路連接。但是竝沒有投入商業使用。史耑喬式自動電話交換機形成。
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