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关注：1
2013-05-23 12:21
求翻译：然后通过取代反应接上酯基，是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
然后通过取代反应接上酯基，
问题补充： |
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2013-05-23 12:21:38
Then connected to the ester substitution reaction
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2013-05-23 12:23:18
And then by replacing polyurethane base, connected to respond
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2013-05-23 12:24:58
Then joins the ester base through the substitution reaction,
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2013-05-23 12:26:38
And then replaced by ester on the responses received,
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2013-05-23 12:28:18
正在翻译，请等待...
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