这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。
The organic litter will help to cushion trampling forces, limit the compactability of soils, release plant nutrients, and reduce the erosive forces of rainfall.
DIN 51130地板覆盖物的试验-防滑性能测定有滑跌危险的工作间和工作区-踩踏法-斜坡试验。
DIN 51130 Testing of floor covering-Determination of the anti-slip properties-Workrooms and fields of activities with slip danger, walking method-Ramp test.
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