leachn.垂直帆缘；后缘=leech.v.过滤；萃取；溶解出leachatc垃圾渗滤液leachaten.浸出液leach out浸出, 渗漏, 淋溶, 溶滤, 洗出leacheate淋洗液leachableadj.浸出的(可沥滤的)leach pit渗坑leach tub沥滤盆,沥取盆leach test浸出试验leach pile沥滤法回收矿物堆leach away滤除