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如何检验玻璃器皿是否洗净

更新时间: 2020-09-16 00:00:00     

化学实验室,清洗试管,看洗后是否挂水珠作为检验。玻璃器皿可以用这种方式检验,看水珠是否挂壁,如果没有,就证明洁净了。

关键词: 如何 检验 玻璃 器皿 是否

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