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sansummer:自己回帖吧查了国标有如下公式: 'eg;)e:`b+ ....... (2011-06-29 10:24) <~iA{sY)O
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sansummer:自己回帖吧查了国标有如下公式: Jrm 9,7/ ....... (2011-06-29 10:24) 8e*1L:oB!