pervious embankment透水路堤
pervious shell滤层
Pervious blanket透水毛毯;排水层
pervious tunnel透水衬砌
pervious indexes透水指标
pervious drainagelayer多孔排水层
pervious hose透水软管
pervious area透水地面
pervious layer透水层
"pervious soil"; " a metal pervious to heat"
ADJ(形容词) able to be penetrated; permeable 能被透过的; 有渗透性的