钴60是安全的。我以前是做放射性检测的仪器的。我在超市里买的那种3-5个小网袋包装的，基本都是中国蒜，全发芽

来源: lisi 于 2014-11-03 17:50:20 [旧帖] [给我悄悄话] 本文已被阅读：次

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