GB5310?????ˉ????20G?????ˉ??????????ˉ?????????ˉ?????
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20G??ˉ?? 159*4.5-5-6-8-10-12-14-16-18-20?????ˉ??18921237777
20G??ˉ?? 168*6-8-10-12-14-16-18-20-25-30?????ˉ??18921237777
20G??ˉ?? 180*6-8-10-12-14-16-18-20-25-30?????ˉ??18921237777
20G??ˉ?? 194*6-8-10-12-14-16-18-20-25-30?????ˉ??18921237777
20G??ˉ?? 219*6-8-10-12-14-16-18-20-25-30?????ˉ??18921237777
20G??ˉ?? 245*6-8-10-12-14-16-18-20-25-30?????ˉ??18921237777
20G??ˉ?? 273*6-8-10-12-14-16-18-20-25-30?????ˉ??18921237777
20G??ˉ?? 299*10-12-14-16-18-20-22-25-28-30?????ˉ??18921237777
20G??ˉ??325*8-10-12-14-16-18-20-25-30-35-40?????ˉ??18921237777
20G??ˉ??377*9-10-12-14-16-18-20-22-25-28-30-35-40?????ˉ??18921237777
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