锟斤拷锟斤拷鋼結(ji锟斤拷)锟斤拷(g锟斤拷u)锟叫筹拷锟矫碉拷锟斤拷栓規(gu锟斤拷)锟斤拷锟斤拷M12锟斤拷M16锟斤拷M20锟斤拷M24锟斤拷M30锟斤拷M锟斤拷锟斤拷栓锟斤拷號锟斤拷锟斤拷(sh锟斤拷)锟街為公锟絈直锟斤拷锟斤拷
锟斤拷锟斤拷锟斤拷栓锟斤拷锟斤拷锟斤拷锟杰等硷拷锟斤拷3.6锟斤拷4.6锟斤拷4.8锟斤拷5.6锟斤拷5.8锟斤拷6.8锟斤拷8.8锟斤拷9.8锟斤拷10.9锟斤拷12.9锟斤拷十锟斤拷锟饺硷拷锟斤拷锟斤拷锟斤拷8.8锟斤拷锟斤拷锟斤拷锟斤拷栓锟斤拷锟絴(zh锟斤拷)锟斤拷锟教硷拷辖锟戒摶锟斤拷锟教间摬锟斤拷锟(j锟斤拷ng)锟絕锟斤拷處锟斤拷(锟斤拷锟锟斤拷锟截伙拷)锟斤拷通锟絈锟斤拷邚锟斤拷锟斤拷锟剿锟斤拷8.8锟斤拷锟斤拷锟铰ｏ拷锟斤拷锟斤拷8.8锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷通锟斤拷栓也锟斤拷锟斤拷8.8锟斤拷锟斤拷通锟絈锟斤拷锟斤拷通锟斤拷栓锟斤拷锟铰憋拷锟斤拷锟剿拷锟斤拷锟斤拷艿燃锟斤拷锟斤拷锟斤拷W(xu锟斤拷)锟斤拷锟斤拷锟斤拷
锟斤拷锟斤拷锟斤拷栓锟斤拷锟杰等硷拷锟斤拷(bi锟斤拷o)號锟缴兩诧拷锟斤拷?j锟斤拷n)?sh锟斤拷)锟街組锟缴ｏ拷锟街別锟斤拷示锟斤拷栓锟侥癸拷锟絈锟斤拷锟斤拷锟斤拷锟饺和诧拷锟絴(zh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杰等硷拷锟斤拷4.6锟斤拷锟斤拷锟斤拷栓锟戒含锟絰锟介：锟斤拷锟斤拷?j锟斤拷n)?sh锟斤拷)锟街ｏ拷4.6锟叫碉拷“4”锟斤拷锟斤拷锟斤拷栓锟斤拷锟絴(zh锟斤拷)锟斤拷锟絈锟斤拷锟斤拷锟斤拷锟饺ｏ拷N/mm2锟斤拷锟斤拷1/100锟斤拷锟斤拷锟斤拷示fu≥400N/mm2锟斤拷锟节讹拷锟斤拷锟斤拷?j锟斤拷n)?sh锟斤拷)锟街ｏ拷4.6锟叫碉拷“6”锟斤拷锟斤拷锟斤拷栓锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷锟斤拷锟饺碉拷10锟斤拷锟斤拷锟斤拷锟斤拷示fy/fu=0.6锟斤拷锟缴诧拷锟斤拷?j锟斤拷n)?sh锟斤拷)锟街的乘積锟斤拷4×6=“24”锟斤拷锟斤拷锟斤拷栓锟斤拷锟絴(zh锟斤拷)锟斤拷锟絈锟斤拷锟斤拷锟絚锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟饺ｏ拷锟侥ｏ拷N/mm2锟斤拷锟斤拷1/10锟斤拷锟斤拷锟斤拷示fy≥240N/mm2锟斤拷
锟斤拷锟斤拷鋼結(ji锟斤拷)锟斤拷(g锟斤拷u)锟斤拷通锟斤拷栓锟斤拷锟斤拷锟斤拷锟斤拷锟饺可分烇拷A锟斤拷B锟斤拷C锟斤拷锟斤拷锟斤拷锟饺硷拷锟斤拷A锟斤拷B锟斤拷锟介精锟斤拷锟斤拷栓锟斤拷一锟斤拷锟斤拷锟节機械锟絘(ch锟斤拷n)品锟斤拷C锟斤拷锟斤拷锟斤拷锟斤拷锟剿锟斤拷锟斤拷锟斤拷锟斤拷锟絝锟斤拷锟斤拷锟斤拷鋼結(ji锟斤拷)锟斤拷(g锟斤拷u)锟斤拷通锟斤拷栓一锟斤拷锟斤拷锟酵拷锟斤拷锟紺锟斤拷锟斤拷栓锟斤拷锟斤拷锟杰等硷拷4.6锟斤拷锟斤拷4.8锟斤拷锟斤拷
