"室内水管破裂的主要原因是温度太低,里面的水结冰,然后在温度升高的过程中膨胀而造成水管破裂.'
室内水管破裂的主要原因是温度太低,里面的水结冰的过程中体积膨胀而造成水管破裂。同样的水分子下 冰的体积比水大. :)
Polling your leg, looks like mainland's education system is not as inferior as Hong Kong's educational system.
"室内水管破裂的主要原因是温度太低,里面的水结冰,然后在温度升高的过程中膨胀而造成水管破裂.'
室内水管破裂的主要原因是温度太低,里面的水结冰的过程中体积膨胀而造成水管破裂。同样的水分子下 冰的体积比水大. :)
Polling your leg, looks like mainland's education system is not as inferior as Hong Kong's educational system.
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In other word, the pipe got busted even you shut off
-天下无马-
♂
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12/18/2010 postreply
10:17:51
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可以做个有趣的实验
-美西游子-
♀
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12/18/2010 postreply
12:43:34
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呵呵,谢谢无马兄的指正。这的确是中学的常识。居然这个都忘了:-)。不过
-如山-
♂
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12/18/2010 postreply
18:39:40
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here is the explaination
-146-
♂
(746 bytes)
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12/18/2010 postreply
23:08:52
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非常学术性,又学到一点,谢谢!
-如山-
♂
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12/19/2010 postreply
09:47:09
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