... Poorly ground 软弱地盘 Poorly graded 不良级配的 Porcelain clay 瓷土 ...
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级配不良的砂 badly graded sand
级配不良的 badly graded
·2,447,543篇论文数据，部分数据来源于NoteExpress
并通过试验得出，含一定量细粒组分且级配良好的粗粒土渗透破坏坡降比级配不良的粗粒土渗透破坏坡降普遍要高的结论。
And it comes to a conclusion that the permeation damage slope of the coarse-grained soil of well graded with a definite proportion of fine granule is higher than that of poorly graded.
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