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2Â¥2010-10-26 22:57:16
jiangya
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3Â¥2010-10-27 10:27:34
jason168
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XWB1989(½ð±Ò+1): 2010-10-28 22:11:04
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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 |

4Â¥2010-10-27 15:29:50
XWB1989
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