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 assuranceBrE /ˈkwɒləti əʃʊərəns/, /ˈkwɒləti əʃɔːrəns/NAmE /ˈkwɑːləti əʃʊrəns/ (abbreviation QA) noun [U] the practice of managing the way goods are produced or services are provided to make sure they are kept at a high standard 质量保证
随便看	diffracting diffraction diffractions diffractogram diffracts diffuse diffused diffusedly diffusedness diffusely diffuseness diffusenesses diffuser diffusers diffuses diffusing diffusion diffusions dig dig a grave for yourself dig a grave for yourself dig deep dig (deep) in/into your pocket(s), savings, etc. dig deep into dig deep (into sth)

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