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 cesspool污水渗井leachate addition渗滤液投加leaching residues浸出渣leaching selenide[医] 硒化铅leachingcondition浸取条件leaching recovery浸出率leaching monoxide[医] 一氧化铅, 蜜陀僧leachable erosion溶出性侵蚀leaching agitator溶浸搅拌机leaching of glass玻璃浸析