1锟斤拷锟斤拷(n锟斤拷i)锟捷凤拷锟斤拷锟阶冿拷锟�

锟铰橈拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟节冿拷(n锟斤拷i)锟捷凤拷锟斤拷變锟斤拷锟絕锟斤拷锟斤拷锟斤拷锟絤锟矫凤拷锟斤拷锟斤拷锟斤拷號锟斤拷锟竭达拷要锟斤拷锟斤拷锟絎(xu锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷锟斤拷(bi锟斤拷o)志锟斤拷锟絲锟統锟斤拷锟叫讹拷锟斤拷锟斤拷锟饺凤拷锟芥都锟斤拷锟剿诧拷同锟斤拷要锟斤拷锟斤拷

2锟斤拷锟捷紋鋼斤拷臉锟�(bi锟斤拷o)志锟絉锟絜

锟斤拷(bi锟斤拷o)志锟斤拷锟角匡拷锟斤拷鋼斤拷锟较的橈拷(bi锟斤拷o)記锟斤拷锟絝锟斤拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)HRB335锟矫★拷2锟斤拷锟斤拷示锟斤拷HRB400锟矫★拷3锟斤拷锟斤拷示锟斤拷HRB500锟矫★拷4锟斤拷锟斤拷示锟斤拷锟斤拷锟铰橈拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟侥橈拷(bi锟斤拷o)志锟斤拷锟斤拷變锟接ｏ拷HRB335锟矫★拷3锟斤拷锟斤拷示锟斤拷HRB400锟矫★拷4锟斤拷锟斤拷示锟斤拷HRB500锟矫★拷5锟斤拷锟斤拷示锟斤拷

3锟斤拷鋼斤拷锟斤拷锟杰碉拷一些指锟斤拷(bi锟斤拷o)

锟铰橈拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟斤拷锟捷紋鋼斤拷目锟斤拷锟斤拷锟�(qi锟斤拷ng)锟饺斤拷锟斤拷锟剿ｏ拷锟絝锟斤拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟斤拷HRB335锟斤拷HRBF335锟斤拷锟斤拷490Mpa锟斤拷锟铰橈拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟侥烇拷锟�455Mpa锟斤拷锟絝锟斤拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟斤拷HRB400锟斤拷HRBF400锟斤拷锟斤拷570Mpa锟斤拷锟铰橈拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟絫锟铰斤拷锟斤拷锟斤拷540Mpa锟斤拷

只要锟捷紋鋼斤拷M锟斤拷锟斤拷锟斤拷锟揭�(gu锟斤拷)锟斤拷锟侥橈拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟斤拷锟角就稱锟斤拷锟斤拷锟�(bi锟斤拷o)锟斤拷锟捷紋鋼斤拷锟斤拷

鋼斤拷锟斤拷么锟絕(q锟斤拷)锟街囷拷锟斤拷(bi锟斤拷o)锟酵非橈拷(bi锟斤拷o)锟斤拷锟斤拷锟轿碉拷锟絢锟斤拷锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷锟酵橈拷(bi锟斤拷o)锟斤拷锟斤拷

锟斤拷锟斤拷(bi锟斤拷o)鋼筋都锟斤拷印锟斤拷母锟斤拷锟斤拷锟角橈拷(bi锟斤拷o)锟斤拷鋼斤拷]锟叫达拷印锟斤拷母锟斤拷锟斤拷锟揭橈拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟斤拷锟斤拷GB锟斤拷號锟斤拷锟角橈拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟侥沒锟叫此凤拷號锟斤拷