英语词汇“后备系统”的翻译、意思、用法、释义-英汉汉英词典

单词	后备系统
释义	文馨英漢☞後備系統后备系统back-up system后备系统backup system
随便看	upward line upwardly upwardly mobile upward mobility upward motion upward movement upward multiplexing upwardness upward of upward of ... upward of a hundred upward of … upward pressure upward radiation upward reference upward roll upwards upward social comparison upward social mobility upwards of upwards of 1000 years, upwards of 100 pieces, upwards of 10 persons or articles, upwards of fifty years old, upwards of ten