個答案點解唔係C 而係D
請用中文回答
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另一條會考phy問題
http://hk.knowledge.yahoo.com/question/question?qid=7008072901565
收錄日期: 2021-04-13 15:52:50
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080729000051KK02415