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sansummer:自己回帖吧查了国标有如下公式: -gSj>b7T ....... (2011-06-29 10:24) tE:X,Lt[
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sansummer:自己回帖吧查了国标有如下公式: b^%?S8]h ....... (2011-06-29 10:24) []rT? -