质量保障 zhìliàngbǎozhàng quality assurance Definitions Defs Origin Strokes Stroke Words Sentences Sents 质量保障 (質量保障) zhìliàngbǎozhàng quality assurance quality assurance (QA) Sources Definitions CC-CEDICT
质量保障 (質量保障) zhìliàngbǎozhàng quality assurance quality assurance (QA) Sources Definitions CC-CEDICT
