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关注:1
2013-05-23 12:21
求翻译:2.学习聚乙烯醇缩甲醛胶水的合成及分析检验方法;是什么意思? 待解决
悬赏分:1
- 离问题结束还有
2.学习聚乙烯醇缩甲醛胶水的合成及分析检验方法;
问题补充: |
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2013-05-23 12:21:38
[object Object]
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2013-05-23 12:23:18
2.learning polyvinyl alcohol deflation formaldehyde glue of synthetic and analytical testing methods;
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2013-05-23 12:24:58
2. study polyvinyl formal glue water synthesis and analytical control method;
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2013-05-23 12:26:38
2. learning method for the synthesis and analysis of polyvinyl formal adhesive;
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2013-05-23 12:28:18
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