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引用第3楼xxcy1123于2010-04-18 12:20发表的 :上面所说到的小苏打,是不是治打粉病的小苏打呀?PH值怎么检测呢?我的新手,请教各位高手
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引用第7楼ljm620827于2011-01-27 10:38发表的 :小苏打怎么能去除氯离子?一派胡言,不懂装懂。[表情]