Nuclear Quality Assurance核的质量保证 National Quality Assurance (ISO Certification)国家质量保证(ISO认证) No Questions Asked不提问 National Quilting Association, Inc.国家绗缝协会、股份有限公司 National Qigong Association (St Paul, MN)国家气功协会(圣保罗明尼苏达州) National Quality Assurance国家质量保证 nursing quality assurance护理质量保险 National Qigong (Chi Kung) Association国家气功(气功)协会 National Quilting Association国家绗缝协会