2??2??????????40*1600*C??Q420q???·??????????????
??????????????????<br><br>??????????????????????139*1684*4688 32??<BR>12*2200*8000 98??<BR>16*2200*8000 78??<BR>20*2200*10300 32??<BR>25*2200*12050 90??<br><br>???????? ???????????????й??????????????????????????????????ASTM??ASME????????JISS????????DIN????????BS????????? IO????????EN ???????????????????????????
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139*1684*4688 32??
12*2200*8000 98??
16*2200*8000 78??
20*2200*10300 32??
25*2200*12050 90??
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???????????????й??????????????????????????????????ASTM??ASME????????JISS????????DIN????????BS????????? IO????????EN ???????????????????????????????????и???????????????????????????????8-600mm???4.5m ??????18m????????????????? ?????????????????????m??0.5mm????????100mm???8mm?????γ???1mm???и??????? 100mm?12.5????100mm?25???и??????????????
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2??2??????????40*1600*C??Q420q???????????????????????
