英语词汇COC是什么意思，COC的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	COC
释义	COC　 =Certification of Completion 完工合格证书Chamber of Commerce 商会Change of Contract 合同的更改Chemical Oxygen Consumption 化学耗氧量Combat Operations Center 作战指挥中心（NARAD）
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