compaction
/kəmˈpækʃən/ 16the exertion of force on something so that it becomes more dense. "an ice core, formed by compaction of previous snowfalls, constitutes a historical record of the local climate"
noun [抽象名词]压紧；精简；密封；凝结
Sediment sorting and compaction influence permeability and porosity.
沉积物的分选和压实作用影响渗透率和孔隙度。
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