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中厚钢板是工程机械、矿山机械、大中型电机与变压器等制造行业消耗的主要原材料之一。一个中等规模的生产厂家每年消耗的中厚钢板可达数万吨。因而采用科学的排样方法，提高钢板的下料利用率，就具有特别重要的意义。国内企业在毛坯排样中大都采用了计算机辅助下的人工排样系
Steel plate is the construction machinery, mining machinery, large and medium-sized motors and transformers and other manufacturing industries consume one of the main raw materials. A medium-sized manufacturer consumes tens of thousands of tons of medium-sized steel each year. Therefore, the use of scientific layout method to improve the efficiency of sheet blanking, it has a special significance. Most domestic enterprises in the rough layout in the use of computer-aided artificial nesting system