The populations of bacteria gradually increased at the yellowing stage, and decreased after yellowing.
细菌数量则是在变黄期逐渐增加，烟叶变黄时达最大，以后逐渐减少。
After a special organic treatment, effectively inhibited when heat-treated products in the yellowing phenomenon.
经过特殊的有机处理，有效的抑制了产品在高温处理时的黄变现象。
It's available for yellowing happened to the leather after wearing longly or washing.
用于皮毛长期洗后或穿后，易发黄的处理。
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