本系统主要完成对铁路物资信息的管理，包括添加、修改、删除，查询，打印信息以用户管理等六个方面。

This system mainly completes railway materials information include six aspects such as adding, modifying, deleting, searching, printing information and the customer management.

youdao

本系统主要完成对铁路物资信息的管理，包括添加、修改、删除，查询，打印信息以用户管理等六个方面。

This system mainly completes railway materials information include six aspects such as adding, modifying, deleting, searching, printing information and the customer management.

youdao