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制备胶水的原料—聚乙烯醇的制备
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https://video.cache.bdschool.cn/vd/5606745d513326899d643d70735d93a1.mp4
北京市
高中选修化学
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Jul 15, 2021
制备胶水主反应——聚乙烯醇缩甲醛的制备
应用思维模型确定及排除干扰因素
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