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aƷB ʽ B1aC48H74O14(R=C2H5)B1bC47H70O14(R=CH3) B1a:872 B1b:858  ɫ΢SYĩoζͪȼ飬 ڼ״ҴˮЎ׺ܡҎ(gu) ƷSB1a90%B1B1a+B1b)95.0%. c;xˎx^xxxxx򌚢 ҪίݵľxͼxȡA ء ڹ]ꎛ̎桾 b  b1kg,5kg SطۄSᘄSƬS1.8%rˎ
l(f)rg 2010/7/18 10:29:00
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