瘦(型)砂
Test Research and Calculation Analysis of Weak Foundation Treatment of Ash Dam by Sand Drain Preloading Method
砂井堆载预压法处理灰坝软基的试验研究与计算分析
the optimum sand burial depth for the development of the population characteristics was higher under strong than under weak sand burial.
强沙埋条件的种群各性状发育最适沙埋深度均大于弱沙埋条件下;
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