leachn.垂直帆缘;后缘=leech.v.过滤;萃取;溶解出
leaching reform教学改革
leaching barrel浸出桶
Leaching system萃取系统
leaching oleate[医] 油酸铅
leached horizon淋溶层
leach resistant抗流失性
leaching fields沥滤场
Leaching liquid溶浸液
leaching ration冲洗定额
leaching method教学方法