maintenance time的用法和样例：
例句
用作名词 (n.)
- An online backup has been scheduled for the same time as online maintenance.
计划了与联机维护时间相同的联机备份。 - Optimum film management on the Sagitta guarantees greater independence in label features and means that maintenance time is reduced for assembly cleaning.
最佳电影管理箭保证更大的独立性在标签的功能和手段，维修时间缩短为大会清洗。
