单词	catalytic cracker
释义	catalytic cracker noun : the unit in a petroleum refinery in which cracking is carried out in the presence of a catalyst Word History First Known Use 1947, in the meaning defined above
随便看	batmen batn Batna Batocrinus Batodendron Batoidea Batoidei batoideies batoideis batoko plum batologist baton Baton Rouge baton twirler batoneer batonist batonistic batonnet batonnets batonnier batonné paper batons batoon batoons batrach-

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