锟終锟斤拷锟斤拷锟斤拷源锟侥d摴軓S位锟斤拷锟終锟捷癸拷锟絀(y锟斤拷)锟紷锟絕(q锟斤拷)锟終锟斤拷锟紺锟斤拷路锟斤拷,锟斤拷锟斤拷锟阶高機锟絇锟斤拷锟絞锟絘(ch锟斤拷n)锟絀(y锟斤拷)锟絖锟絣(f锟斤拷)锟絕(q锟斤拷)锟絴锟絕(q锟斤拷)锟斤拷锟絟(hu锟斤拷n)锟斤拷锟斤拷(y锟斤拷u)锟斤拷,锟斤拷锟斤拷通锟斤拷锟斤拷,锟铰岋拷锟終锟捷癸拷锟絀(y锟斤拷)锟紷锟絕(q锟斤拷)锟斤拷源锟斤拷鋼復合帮拷锟斤拷锟睫癸拷司,锟斤拷锟斤拷要锟斤拷(j锟斤拷ng)锟絀锟絀(y锟斤拷)锟斤拷,锟斤拷锟斤拷锟絀(y锟斤拷)锟斤拷锟絘(ch锟斤拷n)锟絖锟斤拷鋼管★拷锟侥o拷锟,锟斤拷锟斤拷鋼帮拷,锟斤拷锟斤拷锟叫达拷锟斤拷锟侥d摖I锟斤拷锟斤拷锟斤拷锟斤拷锟経站锟斤拷锟斤拷锟较囷拷锟揭標滐拷 GB/T13793-1992 ,锟斤拷直锟絧電猴拷鋼癸拷锟斤拷锟絘(ch锟斤拷n)锟斤拷水锟斤拷锟斤拷锟絣,锟斤拷锟斤拷锟斤拷锟絘(ch锟斤拷n)鋼癸拷6锟絝锟斤拷锟斤拷
锟斤拷锟組锟斤拷锟斤拷锟絘(ch锟斤拷n)锟絆锟斤拷,锟斤拷锟桔猴拷募锟斤拷g锟斤拷锟斤拷,锟斤拷锟较乘碉拷锟絴(zh锟斤拷)锟斤拷锟斤拷锟絬锟斤拷锟斤拷锟斤拷墓锟斤拷锟剿,锟斤拷锟斤拷锟斤拷锟结供一锟斤拷锟絘(ch锟斤拷n)品,锟斤拷
......詳锟斤拷锟介看锟斤拷B
|
|
|