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2011-01-05 14:15:34 [ºÐ·ù¾øÀ½] = Àü°ø±³Àç¼Ö·ç¼Ç [¼Ö·ç¼Ç] ±â°è¿ä¼Ò¼³°è ±â°è¼³°è R.Juvinall ,Scitech [Fundamentals of machine components design,Juvinall, (0)
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