Purpose:The purpose of Service System Transition (SST) is to deploy new or significantly changed service system components while managing their effect on ongoing service delivery.是什么意思_Purpose:The purpose of Service System Transition (SST) is to deploy new or significantly changed service system components while managing their effect on ongoing service delivery.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句