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Let me try.
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1. A theoretical analysis of the mechanism of air-assisted extrusion is meant to provide a basis for slippage design. »ò 2. BY theoretically analyzing the mechanism of air-asisted extrusion, we endeavour to find a basis for slippage design. ±¾¾ä»°Ö÷ÓïÊ¡ÂÔÁË¡£·ÒëÊǸù¾ÝÉÏÏÂÎÄÑ¡¶¨£ºÊÇ·ÖÎö×öÖ÷ÓﻹÊÇ×÷ÕßÎÒÃÇ»òpaper×öÖ÷Óï¡£ |
3Â¥2008-12-01 21:23:34
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2Â¥2008-12-01 15:11:06
ghx2156
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4Â¥2008-12-01 22:10:11
jhydyhm
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5Â¥2008-12-02 16:57:08













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