一个桌球室收费系统，其中有许多值得参考的地方。-a billiard room toll system, which has many things to learn.

用delphi7.0编写的桌球室收费系统，非常实用，是学习delphi数据库编程的好例子-The billiard room charges use delphi7.0 prepared, very practical, is a good example to learn delphi database programming