Quality BOM质量BOMqualityn.品质；才能；特质adj.高品质的；<英俚>棒极了quality steel plate优质钢板quality's educationQuality Cost System质量成本系统quality change rule质量变化规律quality-education素质教育quality of concrete混凝土质量quality of products产品质量quality declination质量下滑quality supervision质量监督quality managemerit质量管理