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一、用途:对泥沙资料成果进行分析整理里,用来点繪、查讀級配曲綫。二、构造:用一块透明胶板或薄玻璃板均可,上刻小于某组粒徑百分比的横座标刻度。三、使用方法:在点繪泥沙顆粒級配曲图綫和查表、校核曲綫时,把級配曲綫活动横座标点繪、查讀
First, use: Analysis of the results of sediment information finishing, used to point drawing, read grading curve. Second, the structure: With a transparent plastic sheet or thin glass plate can be engraved, engraved less than a group of particle size percentage of the abscissa scale. Third, the use of methods: Sediment particles in the point of grading mapping curve and look-up table, check the curve, the grading curve activities plotted coordinates, check