锟斤拷硬锟絏锟较斤拷锟斤拷锟斤拷
锟斤拷锟絏-锟絓-锟絍系锟侥伙拷锟紸(ch锟斤拷)锟斤拷锟斤拷锟斤拷锟絶锟絣(f锟斤拷)展锟斤拷锟斤拷(l锟斤拷i)锟斤拷锟絏锟较斤拷锟斤拷
锟斤拷硬锟絏锟较斤拷锟戒強(qi锟斤拷ng)锟饺匡拷锟絖(d锟斤拷)784N/mm2锟斤拷锟斤拷锟酵燂拷锟斤拷锟絞锟皆差，锟斤拷(du锟斤拷)锟紽锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷(y锟斤拷ng)锟斤拷锟斤拷锟絞锟皆诧拷锟斤拷锟絤锟斤拷(d锟斤拷ng)锟斤拷锟狡合斤拷锟斤拷锟絓锟斤拷锟絍锟侥憋拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絶锟斤拷锟絠锟斤拷元锟截猴拷锟斤拷锟斤拷锟組(j锟斤拷n)一锟斤拷锟斤拷吆辖锟斤拷锟(qi锟斤拷ng)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟皆猴拷锟酵戯拷(y锟斤拷ng)锟斤拷锟斤拷锟絞锟斤拷锟斤拷锟斤拷锟斤拷锟絀(y锟斤拷)锟斤拷使锟矫碉拷锟揭滐拷锟斤拷锟絎(xu锟斤拷)锟斤拷锟斤拷锟絕锟斤拷锟斤拷一锟斤拷σb锟斤拷490锟斤拷690MPa锟侥可夛拷锟斤拷锟接癸拷锟絏锟较斤拷锟斤拷锟街稱(ch锟斤拷ng)锟竭忥拷(qi锟斤拷ng)锟斤拷锟絏锟较斤拷锟斤拷锟斤拷要锟斤拷Al-Zn-Mg-Cu系锟较斤拷锟斤拷锟斤拷锟斤拷锟絓锟斤拷锟絍锟斤拷锟斤拷锟侥憋拷值锟斤拷锟絓锟斤拷锟絍锟斤拷锟絶锟斤拷锟斤拷锟侥匡拷锟酵诧拷同锟斤拷锟较斤拷锟斤拷锟斤拷锟揭诧拷锟酵锟斤拷锟絓锟斤拷锟絍锟斤拷锟斤拷锟侥憋拷值锟斤拷锟斤拷锟斤拷锟较斤拷臒锟教庯拷锟叫э拷锟斤拷锟斤拷锟锟斤拷锟斤拷(qi锟斤拷ng)锟斤拷锟斤拷锟锟斤拷锟斤拷锟斤拷(y锟斤拷ng)锟斤拷锟斤拷锟絞锟斤拷锟斤拷锟斤拷锟斤拷锟襟。拷(d锟斤拷ng)锟絓锟斤拷锟絍锟斤拷锟絶锟斤拷锟斤拷锟侥匡拷锟酵达拷锟斤拷9锟斤拷(锟絴(zh锟斤拷)锟斤拷)锟絩(sh锟斤拷)锟斤拷锟较斤拷锟斤拷锟斤拷鞆(qi锟斤拷ng)锟斤拷锟絕锟斤拷锟斤拷锟斤拷锟节凤拷锟斤拷锟絍锟斤拷锟劫夛拷锟斤拷锟接癸拷锟缴诧拷锟斤拷锟斤拷锟斤拷锟斤拷锟絘(ch锟斤拷n)锟斤拷锟絅鍛硷拷锟斤拷模鍛硷拷锟斤拷锟斤拷锟斤拷锟絯锟紺(j锟斤拷)锟斤拷锟斤拷皮锟斤拷锟斤拷釘★拷锟斤拷锟斤拷锟斤拷(g锟斤拷u)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷l锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷叩锟锟斤拷