紫銅的刮幹淨鬆香上錫100%可以，鍍白的也是清理去掉氧化層，化學或物理

來源: chinomango 於 2018-11-10 17:32:51 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.