英语词汇quality assurance怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	quality assurance
释义	quality assurance 1 ENTRIES FOUND: quality assurance (noun) quality assurance noun quality assurance noun Learner's definition of QUALITY ASSURANCE [noncount] : the activity of checking goods or services to make sure that they are good质量保证 — abbreviation QA
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