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5Â¥: Originally posted by ZBPJJ529810 at 2013-01-21 20:02:46
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houchenxmc: »ØÌûÖö¥ 2013-01-22 09:17:22
×ÜN.°üÀ¨ÈܽâÓÚË®µÄNH3,NH3.H2O,NH4+
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http://sq.k12.com.cn/discuz/thread-317517-1-1.html
http://zhidao.baidu.com/question/211475500.html
http://zhidao.baidu.com/question/94900176.html
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