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介绍核子密度计、湿度计的标定方法和要求,并给出土质标准样块制做的最少数量和指标.根据所具备的经济能力,选用合适的材料制做标准样块,可以达到实验室标定的目的.
Introduce the calibration method and requirement of nuclear densitometer and hygrometer, and give the minimum quantity and index of soil standard sample making.According to the economic ability, choose the appropriate material to make the standard sample, can achieve the laboratory calibration the goal of.