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(1)锟絏锟斤拷系锟较斤拷锟斤拷也锟叫★拷锟斤拷锟絏锟斤拷锟斤拷锟斤拷锟斤拷锟絏锟斤拷锟斤拷锟斤拷锟轿碉拷aluminum forging锟斤拷示锟斤拷锟斤拷锟斤拷锟絋锟斤拷锟斤拷锟杰猴拷锟斤拷磨锟斤拷锟斤拷锟斤拷锟斤拷脹系锟斤拷(sh锟斤拷)小锟斤拷锟斤拷锟絋锟斤拷锟絏锟较斤拷锟斤拷品锟絅锟斤拷锟�锟斤拷锟斤拷锟斤拷锟斤拷锟侥合斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷10%锟斤拷25%锟斤拷锟叫時锟斤拷锟斤拷0.2%锟斤拷0.6%锟絍锟侥癸拷锟絏锟较斤拷锟斤拷锟絍锟斤拷锟斤拷锟节結(ji锟斤拷)锟斤拷(g锟斤拷u)锟斤拷锟斤拷锟界殼锟絯锟斤拷锟斤拷锟絯锟斤拷锟斤拷锟絯锟酵匡拷艿锟�锟斤拷锟叫時锟斤拷锟斤拷锟絤锟斤拷锟斤拷锟絶锟斤拷锟絍锟斤拷锟斤拷锟斤拷吆辖锟斤拷锟斤拷锟絎(xu锟斤拷)锟斤拷锟杰猴拷锟酵燂拷锟斤拷锟斤拷锟斤拷類合斤拷锟絍锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷炔锟斤拷锟�锟斤拷

(2)锟絏锟絶锟较斤拷锟斤拷锟斤拷锟絶4.5%锟斤拷5.3%锟较斤拷锟斤拷锟斤拷效锟斤拷锟斤拷眩锟斤拷m锟斤拷锟斤拷锟斤拷锟絠锟斤拷锟斤拷锟斤拷@锟斤拷锟斤拷锟斤拷覝锟�锟斤拷锟竭溫忥拷锟饺猴拷锟絋锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷要锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟杰达拷膭印锟斤拷o锟絛锟缴猴拷锟轿狀不锟斤拷(f锟斤拷)锟絪锟斤拷砂锟斤拷锟絋锟斤拷锟斤拷

(3)锟絏锟絍锟较斤拷锟斤拷锟杰讹拷锟斤拷小(2.55g/cm3)锟斤拷锟斤拷锟斤拷锟斤拷锟�(355MPa锟斤拷锟斤拷)锟斤拷锟絋锟斤拷锟絏锟较金，猴拷锟絍12%锟斤拷锟斤拷锟斤拷效锟斤拷锟斤拷锟�锟斤拷锟较斤拷锟节达拷锟酵猴拷水锟叫的匡拷锟斤拷锟絞锟斤拷锟杰好ｏ拷锟揭滐拷锟斤拷锟斤拷锟斤拷锟矫的綜锟斤拷锟斤拷锟絎(xu锟斤拷)锟斤拷锟杰和匡拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絖锟斤拷锟斤拷锟斤拷锟絯锟紺锟侥發(f锟斤拷)锟接機锟紺匣锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷艿锟斤拷锟斤拷锟斤拷也锟斤拷锟斤拷锟絙飾诧拷锟斤拷锟斤拷

(4)锟絏锟絓系锟较斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷艹锟斤拷锟斤拷锟斤拷锟斤拷锟絍元锟斤拷锟斤拷锟斤拷锟絈锟介“锟絓锟斤拷锟絏锟斤拷锟斤拷锟斤拷锟斤拷锟絋锟斤拷l锟斤拷锟斤拷锟斤拷該锟较斤拷锟叫达拷锟斤拷锟斤拷锟�锟斤拷锟斤拷锟斤拷锟斤拷锟叫达拷锟�锟斤拷锟斤拷锟斤拷(j锟斤拷ng)锟斤拷處锟斤拷锟酵匡拷使锟斤拷锟斤拷锟斤拷變锟絴(zh锟斤拷)锟斤拷處锟斤拷锟斤拷锟斤拷锟絋锟斤拷锟斤拷锟絕锟竭的忥拷锟斤拷锟斤拷锟斤拷(j锟斤拷ng)锟斤拷(w锟斤拷n)锟斤拷锟斤拷處锟斤拷锟斤拷锟斤拷锟竭寸穩(w锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷模锟斤拷锟斤拷锟酵板及锟絆(sh锟斤拷)锟斤拷支锟杰碉拷锟斤拷

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