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有机化学反应中尤其是工业化的大生产中决大多数的反应有60%的原料是参加的是副反应,只有40%的原料参加的是有用的正反应。按你的理论这样的反应都不要进行了。
littleboat
(小舟)
(#132792@0)
Last Updated: 2001-7-15
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大家进来看看行吗?我实在不明白。有关申奥的话题。
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