maintenance down time的用法和樣例：
例句
- The repair time for the system is the time to turn the backup into the commander node.
修復時(shí)間是把備份節點(diǎn)轉為指揮官節點(diǎn)的時(shí)間。 - Optimum film management on the Sagitta guarantees greater independence in label features and means that maintenance time is reduced for assembly cleaning.
最佳電影管理箭保證更大的獨立性在標簽的功能和手段，維修時(shí)間縮短為大會(huì )清洗。
