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    2011-05-10 0
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    ҹ˾a(chn)ʯӢܰNҎ(gu)͸UV⾀ʯӢܼpʯӢֱ2-180mmں񷶇0.5-8mmL10-3000mmBʯӢÓuV⾀oܡͨB۹SiO2_(d)99.6%ϣ׺γߴW(xu)(wn)ԡ᷀(wn)׃ԺͿ܃(yu)W(xu)͸^_(d)93%ϣÓuu10ppm(jng)^Óuu_(d)5ppm£mڸ߉c

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