up time

例句：

1. 1. The companyis looking to increase its up time byimplementing a new production process.
   该公司正在寻求通过实施新的生产流程来增加其有效工作时间。
2. 2. The engineer spent most of hisup time on the project.
   这位工程师大部分时间都在这个项目上度过。
3. 3. The team'sup time was significantly reduced due to thenew work schedule.
   由于新的工作时间表，团队的有效工作时间显著减少。