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邮票上出现霉斑,可把烧开的牛奶倒进碗内凉透,再放人一小撮细盐,而后将有霉斑的邮票浸入,
Appear on the stamp mildew, can be boiled milk poured into the bowl cool, and then release a handful of fine salt, and then there will be mildew stamps immersed,