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。

youdao

If the moisture content of molding sand with low sand, more very dry bulk and hard brittle.

混砂时如果型砂的含水量较低，更回显得相当干散和硬脆。

youdao

This paper has arrived at the compressive strength, shear strength, modulus of elasticity, poisson's ratio, moisture content, water absorption and softening factor of lime-sand brick masonry.

本文通过对灰砂砖及灰砂砖砌体的较系统的试验研究，得出了灰砂砖砌体的抗压强度、抗剪强度、弹性模量、泊桑比系数、含水率、吸水率及软化系数等。

youdao