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lvyiyilvľ³æ (Ö°Òµ×÷¼Ò)
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21Â¥2010-08-19 19:31:50
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ÍØ»ÄÕß3785ľ³æ (ÖøÃûдÊÖ)
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22Â¥2010-08-20 11:32:15
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lvyiyilvľ³æ (Ö°Òµ×÷¼Ò)
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23Â¥2010-08-20 13:58:40
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ÍØ»ÄÕß3785ľ³æ (ÖøÃûдÊÖ)
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24Â¥2010-08-22 21:24:22
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÷æÃjj½ð³æ (ÖøÃûдÊÖ)
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25Â¥2010-08-24 11:36:40
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ye000000½ð³æ (ÕýʽдÊÖ)
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26Â¥2010-08-24 13:41:34
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wulishi8ר¼Ò¹ËÎÊ (ÖªÃû×÷¼Ò)
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27Â¥2010-08-24 16:33:56
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wulishi8ר¼Ò¹ËÎÊ (ÖªÃû×÷¼Ò)
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28Â¥2010-08-24 16:34:51
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wulishi8ר¼Ò¹ËÎÊ (ÖªÃû×÷¼Ò)
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29Â¥2010-08-24 16:39:09
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ye000000½ð³æ (ÕýʽдÊÖ)
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30Â¥2010-08-24 16:50:02
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»Ø¸´´ËÂ¥
I have seen some research documents for the tube tech, but I am not similated the material use 
