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畜牧人

標題: 石粉中鎂含量標準是多少？ [打印本頁]
作者: 常活春    時間: 2011-3-15 13:36
標題: 石粉中鎂含量標準是多少？
這兩天測了個石粉中鎂的含量，檢測值為6300mg/kg。想問下石粉中鎂含量標準是多少？？
作者: 冰夜衣    時間: 2011-3-15 14:35
那么高啊，沒有檢測過



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