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笑狼

新虫 (初入文坛)

[求助] 脱脂棉能对200纳米级别的颗粒进行过滤么?

如题,脱脂棉能对200纳米级别的颗粒进行过滤吗   刚刚接触纳米  不是很清楚
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至尊木虫 (知名作家)

新虫子。欢迎一下
2楼2014-05-08 05:31:00
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