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当您去商店买东西时.不能不对商品质量等级的标记有所了解.例如: 丝棉类:红牌商标为一等品;绿牌商标为二等品;白牌商标为三等品。 布匹类:成品说明书上印有红字者为一等品;印有绿字者为二等品;印有蓝
When you go to the store to buy things, you can not fail to understand the mark of the quality grade of the goods, for example: silk cotton: red card trademark is first class; green card trademark is second class; white card trademark is third class. Cloth category: printed on the finished product instructions for those who are first-class products; printed with green characters for the second-class goods; printed with blue