It has been estimated that US companies find their total cost of quality to be 20%-40% of sales revenue(Berte and Nevalanien,1997).是什么意思_It has been estimated that US companies find their total cost of quality to be 20%-40% of sales revenue(Berte and Nevalanien,1997).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句