常見例句雙語例句Formation of Strowger Automatic Telephone Exchange.史端喬 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(tǒng)是為大、中、小型艦船提供整船內(nèi)部電話服務的設備。hzhuayan.comInvention 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(fā)明1，000尋線機，其排線架擁有10排線路連接。但是并沒有投入商業(yè)使用。史端喬式自動電話交換機形成。http://dj.iciba.com 返回 automatic telephone exchange