搜索 - 科创

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但大多数要回收的金属的氢氧化物都不能形成方便过滤的沉淀，如下图（这是氢氧化铬）用滤纸过滤它们需要很久（即使是抽滤）。

文件下载

加载中...

你在 {{ downloadTime }} 下载过当前文件。

文件名称：{{ resource.defaultFile.name }}

下载次数：{{ resource.hits }}

上传用户：{{ uploader.username }}

所需积分：{{ costScores }}，{{ holdScores }}下载当前附件免费{{ description }}

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积分不足，去充值

文件已丢失

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{{f.startingTime}}点 - {{f.endTime}}点	{{f.fileCount}}

约找到 1203 条结果，耗时 0.162 秒

当前账号的附件下载数量限制如下：