DVDPCB版图,4层板,很不错，可做设计参考-phone PCB territory, six plates, is pretty good, do reference design-DVDPCB territory, 4 shelves, very good, do design reference-phone PCB territory, six plates, is pretty good, do reference design

小型销售系统，可实现商品上架、下架功能，内含mdb数据库文件-Small sales system can be realized commodity shelves, shelves functions, including mdb database files