compactability

The measuring method of sand compactability in laboratory is analyzed,and a fast measuring method is designed,and the intelligent instrument for fast measuring sand compactability are developed.

分析了铸造行业型紧实率有试方法,提出了机电一体化的型紧实率快速智能试方法,并据此研制成功了便携式型紧实率快速智能试仪。

The organic litter will help to cushion trampling forces, limit the compactability of soils, release plant nutrients, and reduce the erosie forces of rainfall.

这些杂有助于缓冲踩踏地面的力量,避免土壤的结块成形,释放养,而且减少降雨的腐蚀。