punched card utility

例句：

1. 1. The punched card utility is an essential tool for managing inventory in a retail store.
   打孔卡实用工具是零售店管理库存的必备工具。
2. 2. This punched card utility can be used to track employee attendance and performance.
   这个打孔卡实用工具可以用来跟踪员工的出勤和表现。
3. 3. The punched card utility has been proven to improve efficiency and reduce errors in data entry tasks.
   打孔卡实用工具已被证明可以提高效率并减少数据输入任务中的错误。