求翻译：同时利用标准土工试验测定了标准砂的颗粒级配、比重、最大干密度、最小干密度、最小孔隙比、最大孔隙比以及含水量等参数，为后期评价研究做好充分准备。是什么意思？

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Also make use of the standard geotechnical tests measured the standard sand particles with level, specific gravity, the ridge density, as well as the minimum dry density, the small pores, the largest pore over, as well as moisture content, etc. , for the post-evaluation study prepared for that.

Meanwhile determined the normal sand pellet gradation, the proportion using the standard earthwork experiment, has most gone all out the density, the smallest dry weight density, smallest parameters and so on void ratio, most macrovoid ratio as well as water content, appraised the research for the l

While using standard soil test to determine a standard sand particle size distribution, specific gravity, maximum dry density, minimal density, minimum void ratio and maximum void ratio, as well as parameters such as moisture content, well prepared for later evaluation.

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