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Uploaded by hsuanRT on Dec 11, 2011
使用工具:3號電池,導線,毫安培計,銅片(陽極),鑰匙(陰極),硫酸銅純粹覺得無聊....銅鑰匙看起來古色古香多有質感啊~氧化之後古銅色更是非凡勒~
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