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分析和研究了三面正投影、轴测投影与投影条件的关系,明确了在三面正投影中,最佳图示在于将物体置于最能表达物体形状及其特征的位置,最简图解在于将几何元素置于最能表达几
对原高炉喷煤系统进行了改造,介绍了喷煤系统的工艺流程及需新增添的设备,着重介绍了高炉喷煤系统压力喷吹罐设计及喷吹倒罐操作中需考虑的问题.