锟給锟絘锟終锟较拷锟斤拷鋼癸拷锟斤拷锟睫癸拷司锟斤拷(chu锟斤拷ng)锟斤拷锟斤拷一锟脚撅拷锟斤拷锟疥、一锟脚撅拷锟斤拷锟斤拷锟斤拷坪锟斤拷煞锟斤拷锟斤拷锟絀(y锟斤拷),锟斤拷
锟斤拷锟斤拷
锟斤拷锟斤拷司锟斤拷要锟斤拷锟絘(ch锟斤拷n)輥锟紻锟斤拷,锟斤拷锟斤拷螣o锟絧锟斤拷锟斤拷锟斤拷鋼管和高撅拷锟斤拷锟斤拷螣o锟絧鋼管硷拷锟結(ji锟斤拷)锟斤拷(g锟斤拷u)鋼管讹拷锟斤拷系锟叫產(ch锟斤拷n)品,锟斤拷規(gu锟斤拷)锟斤拷品锟絅锟絖锟斤拷锟斤拷锟斤拷N,锟斤拷锟斤拷a(ch锟斤拷n)锟絅锟斤拷1.5锟絝锟斤拷锟斤拷锟斤拷锟絅锟斤拷锟斤拷锟斤拷1锟絴锟斤拷元,锟斤拷锟斤拷锟斤拷鋼癸拷锟叫堬拷占锟斤拷锟斤拷锟絖40锟斤拷锟斤拷锟斤拷,锟斤拷锟叫囷拷锟斤拷(n锟斤拷i)同锟斤拷之锟阶★拷
锟斤拷锟斤拷
锟斤拷司锟斤拷锟斤拷400T輥锟紻锟斤拷锟紺锟組一锟絖,锟斤拷250T,锟斤拷150T液锟斤拷锟轿機锟斤拷一锟絖锟斤拷200T,锟斤拷100T,锟斤拷