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); the process of ensuring that a product or service meets specific requirements
质量保障 質量保障 zhìliàngbǎozhàng quality assurance quality assurance (QA); the process of ensuring that a product or service meets specific requirements
