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leachate contamination渗浅液污染Leaching concentration浸出浓度leachate recirculation渗滤液回灌leaching dregs of zinc锌浸出渣leaching orthoplumbate[医] 原高铅酸铅leaching while grinding边磨边浸Leaching under pressure加压浸出leach-casting machine浸提出渣机leaching by percolation渗滤浸出leaching-out kinetics浸出动力学