锟斤拷司锟斤拷锟絀锟斤拷锟斤拷(bi锟斤拷o)锟斤拷锟斤拷锟斤拷(bi锟斤拷o)锟給锟絧鋼癸拷,锟斤拷锟斤拷要锟絘(ch锟斤拷n)品锟斤拷Y(ji锟斤拷)锟斤拷(g锟斤拷u)锟矫無锟絧鋼管★拷锟斤拷锟叫夛拷鍋爐锟矫無锟絧鋼癸拷,锟斤拷輸锟斤拷锟斤拷锟絯锟矫無锟絧鋼癸拷,锟斤拷锟竭夛拷鍋爐锟矫無锟絧鋼管★拷锟斤拷锟斤拷锟絆(sh锟斤拷)锟斤拷锟矫高夛拷锟給锟絧鋼癸拷,锟斤拷锟杰撅拷锟斤拷,锟斤拷锟竭滐拷锟矫無锟絧碳鋼管★拷輸锟斤拷锟斤拷锟絯锟矫诧拷锟絇鋼無锟絧鋼癸拷,锟斤拷锟斤拷(zh锟斤拷)锟叫產(ch锟斤拷n)品锟侥硷拷锟絞(sh锟斤拷)锟斤拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟斤拷 GB8162-1999 ,锟斤拷 GB3087-82 锟斤拷 GB8163-1999 ,锟斤拷 GB5310-1995 ,锟斤拷 GB5312-1995 锟斤拷 GB6479-1999 ,锟斤拷 API 5L ,锟斤拷 ASTM A106 锟斤拷 GB14976-94 ,锟斤拷規(gu锟斤拷)锟斤拷锟叫o拷锟斤拷 6mm 锟斤拷锟斤拷 610mm*1mm 锟斤拷 30mm ,锟斤拷
锟斤拷锟疥經(j锟斤拷ng)锟絀 : 锟缴讹拷锟斤拷锟斤拷锟絕锟斤拷锟斤拷冶锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷山锟斤拷锟斤拷颍疅o锟絘锟斤拷锟斤拷锟捷幾达拷鋼廠锟斤拷锟絘(ch锟斤拷n)锟侥冿拷(y锟斤拷u)锟絴(zh锟斤拷)锟給锟絧鋼管o拷
锟斤拷 锟斤拷司锟斤拷锟皆讹拷锟斤拷锟斤拷N锟桔斤拷(j锟斤拷ng)锟(y锟斤拷n)锟斤拷锟絕硬锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷卓越锟斤拷锟叫堬拷锟斤拷锟絬(y锟斤拷)锟斤拷锟斤拷锟斤拷母锟 ......詳锟斤拷(x锟斤拷)锟介看锟斤拷B
|
|
|