leachyadj.有气孔的；能渗透的leachn.垂直帆缘；后缘=leech.v.过滤；萃取；溶解出leaching borosilicate[医] 硼硅酸铅leaching rate of zinc锌浸出率leaching-resistance抗流失性leaching water volume淋洗水量leaching with vitriol硫酸浸出leachate re-cycling沥滤液循环leachate from garbage垃圾渗出液leaching out of liquid淋出液leachate recirctdation渗滤液回灌leaching released test淋溶释放试验