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介绍硝酸磷肥干燥机抄板的改造情况。拆除若干组损坏频繁的十字抄板，代之以升举抄板，改造后设备故障率降低，连续运行时间延长，企业效益提高。
Describe the transformation of nitrophosphate drier copy board. Demolition of several groups of frequently damaged cross copy board, replaced by lifting cite copy board, equipment failure rate after transformation to reduce the continuous running time, improve corporate efficiency.