Introduces the transformation of treating slimy technology process in Zhenchengdi preparation plant. By analysing screening test acount of fines, approaches the feasible on fines grading flotation.
介绍了镇城底矿煤泥水处理工艺流程的技术改造，分析了入浮煤泥筛分试验数据，探讨了煤泥分级浮选的可行性。
This paper introduces the transformation of the old level crossing pavement in Taiyuan Railway Section, andexpounds the development process ofthe new structure.
介绍了对太原工务段原有道口旧铺面进行的改造，并阐述了新结构的研制过程。
This paper introduces that the graphic vectorization and the process of this new editing work, graphic mark using in the digital map, transformation between digital map management and coverage.
介绍了图形矢量化与全野外数字内外业一体化的成图过程，并详细介绍了图形矢量化的全过程，图示符号在数字地图中的运用，数字地图图层管理、图层转换。
This paper introduces that the graphic vectorization and the process of this new editing work, graphic mark using in the digital map, transformation between digital map management and coverage.
介绍了图形矢量化与全野外数字内外业一体化的成图过程，并详细介绍了图形矢量化的全过程，图示符号在数字地图中的运用，数字地图图层管理、图层转换。
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