The experiment result of specific gravity indicates that the specific gravity of chlorine soil soil improved by fly ash will reduce with the increase of the ratio of fly ash.
对粉煤灰改良氯盐渍土的比重试验结果表明，改良氯盐渍土的比重随着含盐量和粉煤灰配合比的增加在不断减小。
The larger specific gravity of fine iron ore results in an increase of friction factor of dense phase conveying and has certain influence on various parameters.
铁矿粉的比重大使摩擦系数增大，对浓相输送时的各种参数有一定影响。
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