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

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