Deppen.德普DEPabbr.环境保护署 (=Department of Environmental Protection)deploitation system开拓系统depolarizing effect退极化效应dephenolizing plant除酚厂, 除酚车间depriving procedure剥夺程序depolarizing switch去极化开关depropanizing tower[化] 脱丙烷塔depeptidoactinomycin[医] 脱肽放线菌素depp sea propagation深海传播depollute a river.清除河流的污染depolarization phase除极期