printed day indicator

例句：

1. 1. The printer is displaying a printed day indicator on the screen.
   打印机屏幕上显示了一个印刷日指示器。
2. 2. The company uses printed day indicators to track employee attendance.
   公司使用印刷日指示器来追踪员工出勤情况。
3. 3. The new software feature will allow users to easily view their printed day indicators.
   新软件功能将使用户能够轻松查看他们的印刷日指示器。