質量
?mass
?quality
提高產品～improve the quality of products/～安全 quality safe (QS)/～差of poor (or low)quality;inferior/～好（高）of high quality; superior/～差價 price differentials on quality /～單位mass unit/～第一quality first/～觀念awareness of the importance of product quality/～管理標準quality control standard/～監(jiān)督檢驗quality supervision and inspection(or testing)/～論證quality certification/～認證體系認證證書certificate of the system of quality certification