馮Sir AFung 化學實驗(chemistry experiment) Ca + HCl test H2
3:53
Added: 2 years ago
From: AFungAFung
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  • 多謝嗮馮老師，呢套片真系一個好好既教材！我讀chem，對我地­有幫助。

    mrtonyto20102 1 year ago

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