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sansummer:自己回帖吧查了国标有如下公式: QUb#84 ....... (2011-06-29 10:24) FdE9k\E#/)
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sansummer:自己回帖吧查了国标有如下公式: E?^A+)<" ....... (2011-06-29 10:24) J>S`}p
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