在第九届全国大型尿素装置技术年会上的讲话高岁（化工部生产协调司，北京，１００７２３）第九届全国大型尿素装置技术年会，经过４天的交流圆满的结束了。首先，我代表大会向给予我们热情支持的金陵石化公司和化肥厂的有关领导和职工表示忠心的感谢！这次会议开得很成功... Speech at the Ninth National Large-scale Urea Device Technology Annual Meeting: Gao Sui (Department of Production Coordination, Ministry of Chemical Industry, Beijing, 100723) The 9th National Large-scale Urea Device Technology Annual Meeting was successfully concluded after 4 days of communication. First of all, on behalf of the General Assembly, I would like to express my sincere gratitude to the leaders and employees of the Jinling Petrochemical Company and the fertilizer plant who gave us their warm support. The meeting was very successful...