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1.By analyzing the sieve analysis test data,it was found that the gradation of aeolian sand was bad,with even fine grains with diameters mostly ranged from 0.25mm to 0.074mm.
筛分试验结果表明:风积沙级配不良,沙粒均匀,粒径主要分布在0.25～0.074 mm之间,属于细砂;收藏指正
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