楼主: 史老柒
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9年了,关于当年三聚氰胺事件,有些话,不吐不快 |
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点评
这三个问题问得好,全回答完就是另外一篇文章了。等我有空好好说说。
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点评
能产奶的母牛是无法受孕的,种牛就算指母牛也不是指哺乳期母牛啊。
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点评
工艺执行得不严格吧?
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