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CO City Ordinance 城市条例》

CO Caucasian Ovtcharka (dog breed) Ovtcharka高加索犬(狗)

CO Command Operations 指挥作业

Co Cornish (linguistics) 尔(语言学)

CO Epichlorohydrin Rubber (Homopolymer) 环氧氯丙烷橡胶(球)

CO Clean Out (sewers/drains) 清理下水道或排水管()

CO Corrections Officer 修正军官

CO Comitissa (Latin: Countess, Codices And Manuscripts) Comitissa拉丁美洲:伯爵夫人,”和手稿

CO Convenience Outlet 方便出口

CO Custodial Officer 保管的军官

CO Comercializadora de Occidente SA (Guatemala) Comercializadora德Occidente山(危地马拉)

CO Circuit Overseer (Jehovah's Witnesses) 电路监督(耶和华见证人)

CO Air Post Official (Scott Catalogue prefix; philately) 空气邮政官员斯科特目录前缀、集邮

CO Corrpro Companies, Inc. Corrpro公司,公司

CO Customization Operator 定制操作员

CO Combat Aptitude Area 战斗天赋区

CO Core Operation(s) 核心经营(s)

CO ComitÉs Obreros ComitÉs Obreros

CO Colchester (postcode, United Kingdom) 科尔切斯特(德国、英国)

CO Congregation of the Oratory, Oratorians (religious order) 会众的演讲,Oratorians(宗教秩序)