Almost every soil test code demands soaking treatment for fine clastic soil before grain -size analysis.
几乎所有的士工试验规范均要求细碎屑土在颗粒分析前进行浸泡处理。
After the measures were taken of soil and water conservation, the decrease of the sediment flux into the sea in fine grain-size fractions was more than that in coarse fractions.
大规模的水土保持措施实施以后，细泥沙入海通量的减少幅度要大于粗泥沙。
After the measures were taken of soil and water conservation, the decrease of the sediment flux into the sea in fine grain-size fractions was more than that in coarse fractions.
大规模的水土保持措施实施以后，细泥沙入海通量的减少幅度要大于粗泥沙。
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