2021锟斤拷8锟斤拷19锟秸ｏ拷锟斤拷锟斤拷锟斤拷锟紿锟絈(m锟斤拷o)锟斤拷委锟絋锟斤拷锟斤拷ITC锟斤拷投票锟斤拷锟組(j锟斤拷n)锟斤拷锟斤拷锟叫囷拷锟侥無锟絧碳鋼和合斤拷鋼橈拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟斤拷锟斤拷锟杰撅拷锟杰和夛拷锟斤拷锟杰ｏ拷Seamless Carbon and Alloy Steel Standard, Line and Pressure Pipe锟斤拷锟斤拷锟斤拷锟节讹拷锟轿凤拷锟紸锟絅锟斤拷锟斤拷锟�(f锟斤拷)锟斤拷锟酵凤拷锟絘(b锟斤拷)锟絅锟斤拷锟斤拷锟�(f锟斤拷)锟斤拷锟絘(ch锟斤拷n)锟絀(y锟斤拷)锟絧锟斤拷锟较讹拷锟皆終锟矫ｏ拷锟矫讹拷锟斤拷取锟斤拷锟紽(xi锟斤拷n)锟叫凤拷锟紸锟絅锟酵凤拷锟絘(b锟斤拷)锟絅锟斤拷施锟斤拷锟节猴拷锟斤拷锟斤拷锟紸(y锟斤拷)見锟斤拷锟絞锟斤拷(n锟斤拷i)锟斤拷锟芥案锟絘(ch锟斤拷n)品锟斤拷锟組(j锟斤拷n)锟节岋拷锟斤拷锟斤拷锟斤拷锟斤拷(n锟斤拷i)锟絘(ch锟斤拷n)锟絀(y锟斤拷)锟斤拷傻膶锟�(sh锟斤拷)锟絴(zh锟斤拷)锟皆損锟斤拷锟斤拷锟斤拷锟絕锟絤(x锟斤拷)锟斤拷锟劫度發(f锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷(j锟斤拷)锟終锟矫結(ji锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟紽(xi锟斤拷n)锟叫凤拷锟紸锟絅锟酵凤拷锟絘(b锟斤拷)锟絅锟斤拷施锟絕锟絤(x锟斤拷)锟斤拷效锟斤拷锟斤拷該锟�(xi锟斤拷ng)锟矫讹拷锟斤拷锟斤拷5锟斤拷锟斤拷锟斤拷锟斤拷锟紿锟絈(m锟斤拷o)锟斤拷委锟絋锟斤拷委锟絋锟斤拷投锟较讹拷票锟斤拷
2009锟斤拷10锟斤拷14锟斤拷锟斤拷锟斤拷锟斤拷锟教勶拷(w锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟組(j锟斤拷n)锟斤拷锟斤拷锟叫囷拷锟侥無锟絧碳鋼和合斤拷鋼橈拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟杰★拷锟杰撅拷锟杰和夛拷锟斤拷锟斤拷锟組(j锟斤拷n)锟叫凤拷锟紸锟絅锟酵凤拷锟絘(b锟斤拷)锟絅锟斤拷锟斤拷锟絳(di锟斤拷o)锟斤拷锟斤拷2010锟斤拷9锟斤拷21锟斤拷锟斤拷锟斤拷锟斤拷锟教勶拷(w锟斤拷)锟斤拷锟斤拷锟叫囷拷锟侥無锟絧碳鋼和合斤拷鋼橈拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟杰★拷锟杰撅拷锟杰和夛拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟紸锟絅锟酵凤拷锟絘(b锟斤拷)锟絅锟较讹拷锟皆終锟斤拷锟斤拷2010锟斤拷11锟斤拷10锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷式锟斤拷锟組(j锟斤拷n)锟斤拷锟斤拷锟叫囷拷锟侥無锟絧碳鋼和合斤拷鋼橈拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟斤拷锟斤拷锟杰撅拷锟杰和夛拷锟斤拷锟斤拷锟斤拷锟秸凤拷锟紸锟絅锟斤拷锟酵凤拷锟絘(b锟斤拷)锟絅锟斤拷锟斤拷锟絕锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟芥案锟絘(ch锟斤拷n)品锟斤拷锟斤拷锟斤拷一锟轿凤拷锟紸锟絅锟酵凤拷锟絘(b锟斤拷)锟絅锟斤拷锟斤拷锟�(f锟斤拷)锟斤拷锟较讹拷锟皆終锟矫猴拷锟斤拷锟斤拷锟斤拷锟斤拷2016锟斤拷3锟斤拷16锟秸碉拷一锟斤拷锟斤拷锟絃锟芥案锟絘(ch锟斤拷n)品锟侥凤拷锟紸锟絅锟斤拷锟酵凤拷锟絘(b锟斤拷)锟絅锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷2021锟斤拷2锟斤拷1锟秸ｏ拷锟斤拷锟斤拷锟教勶拷(w锟斤拷)锟斤拷锟絣(f锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟組(j锟斤拷n)锟斤拷锟斤拷锟叫囷拷锟侥無锟絧碳鋼和合斤拷鋼橈拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟杰★拷锟杰撅拷锟杰和夛拷锟斤拷锟杰嗭拷锟斤拷(d锟斤拷ng)锟节讹拷锟轿凤拷锟紸锟絅锟酵凤拷锟絘(b锟斤拷)锟絅锟斤拷锟斤拷锟�(f锟斤拷)锟斤拷锟斤拷锟斤拷锟絳(di锟斤拷o)锟斤拷锟斤拷2021锟斤拷6锟斤拷3锟斤拷锟斤拷锟斤拷锟斤拷锟教勶拷(w锟斤拷)锟斤拷锟絣(f锟斤拷)锟斤拷锟斤拷锟斤拷Q锟斤拷锟斤拷锟組(j锟斤拷n)锟斤拷锟斤拷锟叫囷拷锟侥無锟絧碳鋼和合斤拷鋼橈拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟斤拷锟斤拷锟杰撅拷锟杰和夛拷锟斤拷锟斤拷锟斤拷锟斤拷锟节讹拷锟轿凤拷锟絘(b锟斤拷)锟絅锟斤拷锟斤拷锟斤拷锟斤拷锟�(f锟斤拷)锟斤拷锟終锟斤拷锟斤拷6锟斤拷7锟斤拷锟斤拷锟斤拷锟組(j锟斤拷n)锟斤拷锟斤拷锟叫囷拷锟侥無锟絧碳鋼和合斤拷鋼橈拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟斤拷锟斤拷锟杰撅拷锟杰和夛拷锟斤拷锟斤拷锟斤拷锟斤拷锟节讹拷锟轿凤拷锟紸锟絅锟斤拷锟斤拷锟斤拷锟斤拷锟�(f锟斤拷)锟斤拷锟終锟矫★拷 |
