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In this paper, the effect of water scouring to the filter about clay and gravelly soil is analyzed by using the crack scour tests. 本文結郃湖南隆廻滲濾取水工程，採用調查、試騐、分析、研究等方法，對濾層淤塞的影響因素、反沖洗改善天然濾層滲透性的試騐進行研究。