例如,要除去房间里的带放射性灰尘,必须使用能除去小至0.3μm(1mm=1000μm)的 吸尘器。
情报源:
http://hosyanotaisaku.seesaa.net/
日常生活里μm级别东西的,请参考:
http://en.wikipedia.org/wiki/1_micrometre
例如,要除去房间里的带放射性灰尘,必须使用能除去小至0.3μm(1mm=1000μm)的 吸尘器。
情报源:
http://hosyanotaisaku.seesaa.net/
日常生活里μm级别东西的,请参考:
http://en.wikipedia.org/wiki/1_micrometre
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