短語詞組短語dried d cocoon 乾繭dried cocoon certification 乾繭檢定dried cocoon shell percentage 乾繭繭層率toyohashi dried cocoon exchange 豐橋乾繭交易所dried cocoon shell weight 乾殼dried cocoon shell thickness 乾繭繭厚dried cocoon exchange 乾繭交易所 返回 dried cocoon