The system can test active clay content and moisture of green sand fast and control its composition directly.
该系统能快速测定型砂的有效粘土含量和含水量，实现型砂质量的直接控制。
Accurately evaluating the clay particle content is of great significance to discriminating the seismic liquefaction by static sounding test or standard penetrating test.
运用静力触探试验和标准贯入试验进行地震液化判别皆用到粘粒含量这一指标，因此准确地测定粘粒含量具有重要意义。
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