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dtthappy(½ð±Ò+3): 2011-04-26 08:35:19
zhonggao18(½ð±Ò+1): ¸Ðл»ØÌû 2011-05-20 18:46:48
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2Â¥2011-01-04 15:25:32
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dtthappy(½ð±Ò+1): 2011-01-06 20:55:12
dtthappy(½ð±Ò+1): 2011-04-26 08:35:24
zhonggao18(½ð±Ò+1): ¸Ðл»ØÌû 2011-05-12 14:30:36
3C5H7O5COOH+AlCl3==(C5H7O5COO)3Al+3HCl
3Â¥2011-01-05 11:07:56
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zhonggao18(½ð±Ò+1): ¸Ðл»ØÌû 2011-05-12 14:30:42
dtthappy(½ð±Ò+3): 2011-05-13 16:32:01
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zhonggao18(½ð±Ò+1): ¸Ðл»ØÌû 2011-05-20 18:46:59
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Originally posted by 32531400 at 2011-01-05 11:07:56:
3C5H7O5COOH+AlCl3==(C5H7O5COO)3Al+3HCl

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zhonggao18(½ð±Ò+1): ¸Ðл»ØÌû 2011-05-20 18:47:04
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Originally posted by 845683047 at 2011-05-20 09:58:14:
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