英语词汇“更新换代”的释义、用法及例句翻译-英汉例句词典

词汇	更新换代
例句	Helicopters have been upgraded and modernized.直升机已经更新换代，装配了现代化设备。In the computer industry, change comes about very rapidly.计算机这一行更新换代非常迅速。
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