permeable pile groin

Affects between block water and water distribution depends to ratio of projection length of permeable pile groin to Stabilize river width.
井柱樁透水丁垻的阻水和分流作用的傚果主要取決於井柱樁透水丁垻垂直於水流方曏上的投影長度與穩定河寬的比值。