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举世瞩目的上海世博会开幕两个多月了,参观人数已逾两千万人次。在长达6个月的世博会举办期间,新鲜蔬菜的及时供应成为人们关注的一个重要话题。据了解,世博
The world-renowned Shanghai World Expo opened more than two months, the number of visitors has more than 20 million people. During the six-month Expo, timely supply of fresh vegetables became an important topic of concern. It is understood that the Expo