本文通过对分级试验数据的分析，指出混杂作用对粗粒级的影响是不可忽略的。
In this paper, it is pointed out that the effects of entrainment on coarse particle size are not neglected through analysis of data of classification tests.
本文主要介绍粗粒级手选废石、冶炼炉渣及二者按不同比例混合料的压缩性能测定方法。
The compression property test method of coarse fraction hand sorting waste rock, smelter slag and their mixed filling materials had been introduced in this paper.
在酸性土壤中P主要分布在较细的粒级中，而在石灰性土壤中则主要分布在较粗粒级中。
Soil P was mainly distributed in the fine fractions on the acidic soils, however on the calcareous soils in the coarser fractions.
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