chihwei chen

Taiwan

chihwei chen

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Joined: 08/04/2008

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chihwei chen's PowerPoint Presentations

趣味實驗 樹葉書籤的介紹 趣味實驗 樹葉書籤的介紹
趣味實驗 微型電解實驗及氫氣泡介紹 趣味實驗 微型電解實驗及..
趣味實驗 濾紙電池 趣味實驗 濾紙電池
 
趣味實驗彩色的膠珠 趣味實驗彩色的膠珠
chihwei chen's Podcasts ..

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chihweichen uploaded a new presentation "趣味實驗 樹葉書籤的介紹 "

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chihweichen uploaded a new presentation "趣味實驗 微型電解實驗及氫氣泡介紹 "

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chihweichen uploaded a new presentation "趣味實驗 濾紙電池 "

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趣味實驗 濾紙電池

趣味實驗- 濾紙電池

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chihweichen uploaded a new presentation "趣味實驗彩色的膠珠 "

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趣味實驗彩色的膠珠

趣味實驗－彩色的膠珠

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chihweichen uploaded a new presentation "趣味實驗簡易焰色試驗法 "

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