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第三届全国绿色环保农药新技术、新产品交流会,第四届全国绿色环保肥料新技术、新产品交流会(以下简称“两会”),将于今年四
The Third National Green Pesticide New Technology and New Product Exchange Conference, the Fourth National Green Fertilizer New Technology and New Product Exchange Conference (hereinafter referred to as “the two sessions”) will be held this year four