卍拉帝亞斯卍 發表於 29-9-2008 18:48:29

回復 20# 的帖子

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ｑ大財神ｐ 發表於 5-10-2008 22:33:34

As the steam will condense near the mouth of test tube to form water droplet and drop along the test tube to the bottom.
The water droplets will crack the hot tube.
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