spot purchase meaning in English

买进现货
现货购进

Design and realization of duplicate check system for on - the - spot purchasing book
外出采购查重系统的设计与实现
On - the - spot purchasing services : special purchasing meetings ; service for issueing purchasing information through the website of the sponsors ; information exchange services between buyers and exhibitors
现场采购服务：邀请国内外大型采购商、连锁超市商家现场举办专场采购会；通过酒博会网络、广东商联网发布采购信息、提供采购商与参展商沟通的有关信息交流服务、洋酒交易会。