单词	multiple generator
释义	multiple generator 倍数发生器
随便看	pollution by copper pollution by cyanide pollution by dredging pollution by fluorine pollution by food additives pollution by gasoline additives pollution by heavy metal pollution by iron pollution by lead pollution by livestock effluent pollution by manganese pollution by mercury pollution by molybdenum pollution by nickel pollution by nitrogen oxides pollution by oil pollution by oil from ship pollution by organochlorine pesticides pollution by organophosphorus pesticides pollution by particulates pollution by pesticides pollution by plastic film residue pollution by plasticizer pollution by polychlorinated biphenyle pollution by polychlorinated biphenyles