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GJ20055100 混凝土盾构环片生产工艺探讨[刊,中]/安晓东…//建筑机械化.—2004,25(12).—28～31比较详细地介绍了北京地铁5号线混凝土盾构环片的机械化生产工艺,并探讨了在实际生产中遇到的问题和解决方案。图1
GJ20055100 Discussion on the Production Process of Concrete Shield Lozenges [J] .An Xiaodong ... // Construction Mechanization.-2004,25 (12) .- 28 ~ 31 This paper introduces the concrete shield ring of Beijing Subway Line 5 Piece of mechanized production technology, and discusses the problems encountered in the actual production and solutions. figure 1