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蔬菜是流通领域中,商品性高、季节性强、风险性大的商品种类。蔬菜生产发展的方向与石油化工生产密切相连。本文将从我
Vegetables are the circulation of goods, high commodity, seasonal strong, the risk of large types of goods. The direction of development of vegetable production and petrochemical production are closely linked. This article will be from me