正康找借口和希蕾等人一起用餐，言谈间正康尽显阿嫂本色，大谈自己的买菜心得，还被同学们发现他买了一大包卫生棉，希蕾觉得丢脸死了。
Zheng Kang takes the opportunity to dine with them and even shares tips on buying groceries. Xi Lei is embarrassed when her classmates discover he also bought a big pack of sanitary napkins.
然而目前市面上所出售的有机棉产品，只能以一个本色出现，能否有更多的颜色使有机棉产品色彩更丰富呢？
However, there is sold in the market of organic cotton products, there can only be one color, can have more color so that color organic cotton products do more?
分析了GB/T406-93棉本色布国家标准与美国四分制标准之间的差异，介绍了美国四分制标准的特点和应用情况。
This paper analyzed the differences between Chinese standard and American four-mark standard on GB/T 406-93 cotton greige, and introduced the features and application of American standard.
分析了GB/T406-93棉本色布国家标准与美国四分制标准之间的差异，介绍了美国四分制标准的特点和应用情况。
This paper analyzed the differences between Chinese standard and American four-mark standard on GB/T 406-93 cotton greige, and introduced the features and application of American standard.
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