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
紧实率现有测
方法,提出了机电一体化的型紧实率快速智能测方法,并
制成功了便携式型紧实率快速智能测
。
The organic litter will help to cushion trampling forces, limit the compactability of soils, release plant nutrients, and reduce the erosie forces of rainfall.
些杂物有助于缓冲踩踏地面的力量,避免土壤的结块成形,释放植物营养物,而且减少降雨的腐蚀。
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