品質保證 (ban2 zat1 bou2 zing3) — quality assurance in Cantonese
banˊ²品zatˉ¹質bouˊ²保zing˗₃證简 品质保证
Mandarin Pinyin: pin3 zhi4 bao3 zheng4
Meaning of 品質保證
nounquality assurance
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