举出生产生活及实验中使用过滤的一个实例
举出生产生活及实验中使用过滤的一个实例
化学人气:110 ℃时间:2019-10-09 10:14:41
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用筛子筛粉,筛米,筛砂子,粉丝厂用布袋过滤淀粉、自来水厂净水,粗盐提纯等等.
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