“电话总机--中央交换机”概念、定义、翻译-科学时代

单词	电话总机--中央交换机
释义	电子商务词汇手册 central exchange 电话总机，中央交换机
随便看	joint venture joint venture joint venture account joint venture account joint venture agreement joint venture company joint venture contract joint venture hotel joint venture partnership joint vocational centre joint vocational school joint voucher joint welding joint whole life insurance policy joint wire joint work joint work joint work joint writer join valley needling joist joist joist joist joist mill

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

central exchange