明明是硫酸銅,藍色的:)
所有跟帖:
• lol,中學化學忘了 -月亮_66- ♀ (0 bytes) () 11/12/2023 postreply 11:34:44
• lol,中學化學忘了 -月亮_66- ♀ (0 bytes) () 11/12/2023 postreply 11:34:44
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