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# Making Snow and Inflating a Bicycle Tire ?? ? ???????? - PowerPoint PPT Presentation

Making Snow and Inflating a Bicycle Tire 製雪 與 自行車輪胎的充氣. 第二組 ( 課本第 240 頁 ). 前言. 在日常生活中有很多現象可以說明 熱力學第一定律 在此我們討論 的 兩個例子，與愛好戶外活動者 有關。 製雪 自行車輪胎的充氣. 製雪. 如果你是個滑雪的愛好者，你可能可以在人造 雪上滑雪。有一個東西能製造龐大的數量足以 滿足滑雪者在沒有雪的日子中滑雪。 那就是 製雪機. 圖片來源 : http://c.show160.com/316761/other/a23025.

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## PowerPoint Slideshow about 'Making Snow and Inflating a Bicycle Tire ?? ? ????????' - adora

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### Making Snow and Inflating a Bicycle Tire製雪與自行車輪胎的充氣

(課本第240頁)

• 製雪

• 自行車輪胎的充氣

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△Ｔ也必須是負值，此為一散熱效果（或減

(1)http://www.chem17.com/product/detail/142284.html

(2)http://www.langya.cn/lyxw/zxwtpzx/zzsdly/201012/t20101207_28163.html

(3)http://www.skiequipment.com.cn/PRODUCT/201138135005.html

△Ｕ＝Ｃ△Ｔ

The End