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XWB1989

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jason168

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XWB1989(½ð±Ò+1):³ýÁ˸úĦ²ÁϵÊýÓйأ¬ÇëÎÊ»¹¸úÄÄЩÐÔÄÜÓйØ? 2010-10-27 13:59:13
have nothing to do with its property of wear resistance
have something to do with its friction coefficient
life is a kind of mood.
2Â¥2010-10-26 22:57:16
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jiangya

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3Â¥2010-10-27 10:27:34
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jason168

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¶ÔÎÇÓã(½ð±Ò+3):¸ÐлӦÖú~~»¶Ó­³£À´¸ß·Ö×Ó°æ~~ 2010-10-27 21:33:09
XWB1989(½ð±Ò+1): 2010-10-28 22:11:04
wear resistance has something to do with the intensity of the matrix, the intensity of matrix has something to do with its molecular structure
life is a kind of mood.
4Â¥2010-10-27 15:29:50
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XWB1989

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ÒýÓûØÌû:
Originally posted by jason168 at 2010-10-27 15:29:50:
wear resistance has something to do with the intensity of the matrix, the intensity of matrix has something to do with its molecular structure

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