高速公路收费系统。caj文件，高速公路收费在日常生活中很常见，它的系统就是这样啦！-Highway toll collection system. CAJ documents, highway toll is common in everyday life, and its system is so you!

利用VB实现的公路，高速公路收费系统软件，比较通用，使用了Cell插件-Using VB to road, highway toll system software, more generic, the use of plug-Cell