那是討論+-R

我今天也去買了一片RITEK X +RW的，同樣是RICOH的染料

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Unique Disc Identifier : [DVD+RW:RICOHJPN-W11-001]
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Disc Type : [DVD+RW]
Manufacturer ID : [RICOHJPN]
Media Type ID : [W11]
Product Revision : [001]
Disc Application Code : [General Purpose]
Recording Speeds : [2.4x - 4x]
Blank Disc Capacity : [Not Supported By Method 2]
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[DVD Identifier - http://DVD.Identifier.CDfreaks.com]
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