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Uploaded by pts on Nov 15, 2007
微波爐非常方便,讓我們隨時可吃到熟食,但是它的原理是什麼﹖且看師大附中的王存雄老師 為你指點迷津﹗
Science & Technology
Standard YouTube License
女主持人好正
mcsrQ 4 years ago
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女主持人好正
mcsrQ 4 years ago